It’s also like STG. Overall, the acronym STG stands for “swear to God. 1 definitions of ISTG. ISTG Meaning. " “ISTG” meaning over text message. ”. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. You might learn your child is using this slang term by chance when a text pops up on the phone screen. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. Guarantee. Simply put,. Prison gang. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. ISTG is an acronym that means I swear to God. A very dramatic phrase to be used only in exceptional circumstances. ISTG stands for “I swear to God. Well, fret not – I’m here to help unravel the mystery for you. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. Here’s what this multifaceted slang term means and how you may. GTFO can be used to express disbelief or displeasure. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. In conclusion, “ISTG” is an acronym that stands for “I swear to God. OTP meaning: one true pairing (a couple that fans prefer to all other. ISTG. ”. Pinky promise. This is also very similar to. This expression is most likely something you've heard in ordinary conversation. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. IYKYK meaning: if you know, you know. . Use Cases & Examples. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. I’m beyond shocked. Clear Of Patient Diagnosis B. ISTG is an acronym that stands for ‘I Swear To God. . Meaning. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. Usually, students or the young generation use this acronym. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. "I swear to. This is a group of teachers that are more than friends. ISTG has multiple definitions that can be used in various settings. Essentially, ISTG is a shortcut way of saying "I. "I swear to. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). ”. For example, they might say “ISTG this homework sucks. What does ISTG mean in the text? Ans. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). I swear to God. ISTG is an acronym that is short for “I swear to God”. 1 definitions of ISTG. It is used to express frustration, anger, or disbelief. ISTFG, I can’t believe she actually said that to me. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. ABC – This doesn’t stand for anything. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. IYKYK meaning: if you know, you know. "I swear to. Today, I'll walk you through what ISTG means in text. Specifically, as internet usage is increasing daily, people. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. Avoid using this abbreviation in business or professional settings because it is so casual. ETA meaning: estimated time of arrival. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Testify. One such popular slang on platforms like Snapchat is ‘ISTG’. LFG meaning: let's freaking go. One of the main uses of ISTG is in text messages or chats, either between friends or in a. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. The term comes from “shipping” within fandom culture. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. ISTG Meaning= Threat Use Cases & Examples. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. Chronic Obstructive Pulmonary Disease D. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. Today, I'll walk you through what ISTG means in text and other text. It’s also like STG. It represents an empathetic or mildly shocked response to unexpected news or events. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. ISTFG. The phrase was later. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. ISTG stands for I Swear To God. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. This phrase is typically employed to express surprise, disbelief or concern over a given situation. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. ETA meaning: estimated time of arrival. ISTG. ISTG Meaning. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. Complaint Of Patient Data C. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. It can be written in both lowercase “istg” and capital “ISTG” letters. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. Start the day smarter. Meaning. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. ISTG is an acronym that stands for “I Swear To God”. suggest new definition. Start the day smarter. When used in text conversations, ISTG retains its original meaning of “I swear to God. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . Origin of ISTG. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. new search. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. ”. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. This phrase is often used on social media while making public posts or in private chats. In a different context, “sw” can also mean “someone who. Every TikTok user's FYP. OFC meaning: of course. Having a parental control app on your child’s phone will give you. This phrase is used to emphasize the truth of a statement or assertion. Since this is a very casual acronym, avoid using it in. STFG stands for Super Teacher Friends Group. ISTG stands for "I Swear to God. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. ISTG is short for "I swear to God. Here's what "ISTG" means and how you can use it in your next text exchange. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. TLDR meaning: too long; didn't read. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. ISTG Meaning= Threat3. It is an expression used to emphasize the truthfulness or sincerity of a statement. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ISTG is an acronym used for “I Swear To God. ISTG stands for “I swear to God” in texts and on social media apps. This phrase should only be used in casual conversation. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. One of the known acronyms is “ISTG” or “istg”. This. They are there for each other on the good days and the bad days. ISTG and OMG can also be used interchangeably often. FYP means For You Page. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). ”. What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. 2. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. B) used to be the symbol of a person wearing sunglasses with a smile on his face. In summary, ISTG is an acronym widely used in informal online communication. It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. The ISTG acronym is commonly used in response to a person who doubts something that you said. This is only for close friends. Like, "ISTG, if I get one more. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. ISTFG. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. It can be used to express emotions, surprise, or sudden kind of feelings. It can be used to convey sincerity, make promises, express annoyance, and more. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. ISTG means I swear to God. TikTok lingo is hard to keep up with. It is commonly. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. In summary, ISTG is an acronym widely used in informal online communication. ” Origin of ISTG. ILYSM can be used to express profound affection. I swear to fucking god. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. It can be used to express emotions, surprise, or sudden kind of feelings. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. STG: You can swear to god when you are frustrated or in exacerbation. ”. Some of these words and acronyms are used on other video games and social media platforms too. This initialism should be avoided in professional situations or in conversing with someone who is religious. What does Istg mean in text message . The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. " ISTG is used to add emphasis to a statement (usually a promise, threat,. Abbreviation of I Swear To Mother Fucking God. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. 4. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. This initialism should be avoided in professional situations or in conversing with someone who is religious. ’. ” Definition: Istfg is an acronym for “I swear to f Up. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. ” Origin of ISTG. ISTG can be used in various contexts and can have different implications depending on the conversation. This abbreviation is typically used to express surprise, confusion, disbelief, or. Page ContentsWhat Is ISTG Meaning1. The Meaning of ISTG in Text. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. HMU meaning: hit. It's used express emotional sincerity or to seem intimidating. ” Kids often use this to express frustration or exasperation. It can also be an expression of surprise or. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. ”. Usually, students or the young generation use this acronym. ”. This initialism should be avoided in professional situations or in conversing with someone who is religious. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. ISTG Unveiled: Introduction to the Slang. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. HMU meaning: hit me up. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). ATP meaning: answer the phone. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. ISTG is simply an acronym that means I swear to God. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. It stands for “I swear to God. In texting lingo, “istg” simply stands for “I Swear To God”. 2006)Texting with friends is the best way to use this term. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. Definition of ISTG in Slang/Internet Slang. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. I Swear to God. Throughout the years, a variety of terms have arisen which make it easier to communicate online. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. It’s similar to the term ‘ONG. When someone uses ISTG, they are essentially emphasizing. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. ISTG Meaning. It is commonly used as an exclamation or interjection. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. It may sound like a new term to some, but this one is very familiar to social media users. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. Sub the Gamer security threat group. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. Here's what this versatile slang term means and how you can use it in your messages and social media posts. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. Get all the news you need in your inbox each morning. The media could not be loaded, either because the server or network failed or because the format is not supported. This is also very similar to. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. What does ISTG mean? ISTG means “I Swear To God”. As in, I swear that actually happened. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. Specifically, as internet usage is increasing daily,. Swear to fucking god. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. ISTFG. It is typically used to show appreciation of an act of kindness by a loved one. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. I Swear to God. ”. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Simply put, “ISTG” stands for “ I swear to God . ISTG is simply an acronym that means I swear to God. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. ISTG is an acronym used in texting, which stands for “I swear to God. This is a common acronym that is used online, typically in text-based communication. I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. The “baby” part of the phrase isn’t a literal reference to a child, and. This initialism should be avoided in professional situations or in conversing with someone who is religious. It can be used as an exclamation, where users are expressing disbelief or shock. Here’s our round-up of the latest Roblox slang. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. 3. new search. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. ISTG Meaning= Honesty or Certainty2. They prefer to work in traditional organisational environments, with people who take their. How Is ISTG Used? Use Cases & Examples. It's a close relative of the OMG (Oh My God). TLDR meaning: too long; didn't read. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. '. ILYSM means "I Love You So Much. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. ISTG stands for: I Swear To God. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. IMO meaning: in my opinion. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. Jamie Grill / Getty. It can often. This expression is used to emphasize the truthfulness or seriousness of a statement. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. ISTFG. For example, three sample text messages using the abbreviation ISTFG could be: 1. ”. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. 2. Person1: I'm so exhausted. A. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What Does Istg Mean? The acronym ISTG stands for “I swear to God. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. It's not typically used in a religious context. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. suggest new definition. I swear to fucking god. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. ”. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. ISTG is often used in informal conversations, texting, and on social media platforms. ”. It could be used to define the frustration or annoyance you might have towards something or somebody. ” This abbreviation is commonly used in informal conversations on various digital. Promise. It is a stronger version of the phrase “I swear”. It can be a powerful tool for self-motivation and encouragement. It’s a widely used acronym in text messaging and online chatting on social networking sites. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. ISTG Meaning= Expression of Disbelief4. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. The abbreviation “ISTG” is a shorthand. 查看翻译. OFC meaning: of course. However, as with many other abbreviations meaning "I love you," it should not. It is often used in informal conversations, especially when expressing frustration or disbelief. ISTG Meaning= ThreatUse Cases & Examples. "I swear to. STFU is an acronym that means "shut the fuck up. FOMO meaning: the fear of missing out. Usually used after saying something ‘cool’. It could be used to show how excited they are or to express. Use Cases & Examples. Definition of ISTG in Slang/Internet Slang. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. What Does ISTG Mean? Introduction. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. What does istg mean in text. ”. The acronym ISTG is commonly used in text. STG means different things to different people but its most common meaning is ‘Swear To God’. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Get all the news you need in your inbox each morning.