ISTG means “I swear to God”. Shows you are serious, frustrated, or making a promise or a warning.
| ISTG at a glance | |
|---|---|
| Stands for | I swear to God |
| Tone | Strong. It can express anger or sincerity depending on the sentence. |
| Where you’ll see it | Texts and social media |
| Similar terms | ONG, FR, SMH |
How ISTG is used: examples
- “istg if he’s late again”
- “istg I locked the door”
- “this is the last time istg”
How to reply to istg
- “Okay, I believe you.”
- “What did he do now?”
Good to know
Often starts a sentence as a mock threat among friends.
Got a message full of abbreviations? Paste it into the free Text Slang Decoder and see every term explained with its tone. Nothing you paste is uploaded.
Frequently asked questions
What does ISTG mean in text?
ISTG means “I swear to God”. Shows you are serious, frustrated, or making a promise or a warning.
What does ISTG mean from a girl or a guy?
The same thing from anyone: “I swear to God”. You will mostly see it in texts and social media.
Is ISTG rude?
Strong. It can express anger or sincerity depending on the sentence.
How do you reply to istg?
For example: “Okay, I believe you.” or “What did he do now?”
More free tools
AI Cost CalculatorCompare API prices of 46 AI models.Check Writing HelperSee how to write any amount on a check.Gift Idea FinderGift ideas by budget and interest.Cluword Daily Word PuzzleA free word puzzle with a new challenge every day.AI Passport Photo MakerMake a passport, visa or form photo from a phone picture.AI Object RemoverPaint over unwanted objects or people and they are gone.
See all free AI tools →