K3=R - K3=R is the worst joke ever. It means KKK cubed equals racis

K3=R is the worst joke ever. It means KKK cubed equals racism. Some idiot thought this was cool.

My math teacher wrote K3=R on the board and cried.

I saw K3=R spray-painted on a black kid's face.

My cousin got suspended for drawing K3=R on the principal's head.