Istg

Usually used in texts, meaning " I swear to god "

Istg that teacher is so annoying :/

by Sushi dushi 🍣 October 25, 2018

Istg

I swear to god

I was walking down the street this morning and istg i saw someone that looked exactly like you

by Truxkmayne September 14, 2018

ISTG

meaning : i swear to God

Alex : BRO JAS IS HOT ASF

Naiasm : ISTG SHE IS

by xxxtentacionwife April 27, 2022

Istg

I swear to god

Istg I would punch if i had the chance.
Istg I would be such a good mom.

by Ann_onymous May 12, 2020

ISTG

ISTG is the short form of "I swear to God" Also means I promise.

ISTG that microorganism is not my boyfriend!!!

by Nlovespastel April 13, 2019

Istg

I swear to god

Istg I’m gonna fail this test

by Randhandle February 26, 2020

Istg

It stands for *I Swear To God*

Istg you're dumb for not knowing what "Istg" means.

by Daniel Brew Strength September 19, 2020