Istw 

Istw means "I swear to Woojin". Kim Woojin is a member of the male k-pop group "Stray Kids". He is considered god since he is just so perfect and there's also a religion called Wooligion created by the precious Stays.

A: I heard that your friend C told everyone your secret.

B: Istw I'm gonna kill him.

Istw by straykidsfangirl September 27, 2019

istwl 

Angie, you're a fucking idiot, I say that with love.

Istwl

istwl by toaster032 July 9, 2011

istwwiwy 

I stop the world when I’m with you

Bf: hey babe
Gf: hey handsome

Bf: istwwiwy
Gf: aww, I feel the same way

istwwiwy by Arbbel February 26, 2021

ISTWLOL 

I say that with lots of love

I Hate You. #ISTWLOL

ISTWLOL by Tayy_Owee August 18, 2011

ISTWN

Abbreviation for “I say the word nigga”
- CoryxKenshin

“I’ve stolen before. I’ve cussed before. ISTWN.”

ISTWN by RealMrNobody April 14, 2026