istts

I Swear To Taylor Swift
Term mainly used by swifties to express that you are honest. Another way of saying istg (I Swear To God).

-Did you see that girl? She is mentally ill…
- I should’ve noticed that. I heard her use “istts”

by caroldanversenthusiast November 29, 2021

ISTT

I speak the truth.

Sometimes written as, 'ISTTN' (I speak the truth, Nigger!)

Guy one: Ashlyn has a nice ass.

Guy two: That's my girlfriend, bitch.

Guy one: Calm down man! ISTT.

by I'm Amy March 28, 2011