Istg 

I swear to god

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

Istg by Ann_onymous May 12, 2020

istg 

i swear to god

“istg i saw the fight last night”

istg by vamppluto August 21, 2021

ISTG 

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

ISTG that microorganism is not my boyfriend!!!

ISTG by Nlovespastel April 13, 2019

Istg 

I swear to god

Istg I’m gonna fail this test

Istg by Randhandle February 26, 2020

Istg 

It stands for *I Swear To God*

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

Istg by Daniel Brew Strength September 19, 2020

istg 

Instead of Grandpa

I prefer grandma's cookies istg

istg by missnoma May 30, 2022

istg 

i stay on tha grind means u get money and hustle hard

man istg don't know who i'm

istg by gyft December 5, 2007