IDK

I don't know

Teacher: 187 x 72 =?
Lily: IDK

idk

Used when someone means no but doesn’t want to hurt your feelings

Guy: Do you want to see a movie this weekend?
Girl: idk

idk

when you don't know something (stands for i don't know)

idk ( it's stand alone)

idk

It stands for "i dont kick" or a short of "i dont kick your ass"

hey jeffrey, can you kick my ass?
sorry, idk

idk

idk means i dont know

idk what do u say bro

idk

the slang for "i don't know"

"idk what happened to them."

Idk

Idk

Idk