Crack one's clackers
To strike or kick a man in the nuts with great force
Joe: Hey Buster!
Buster: Yes Joe?
Joe: If you don't know whose cunt smells the worst, it's gotta be your sister's rotting vegan cunt.
Buster: Ohhhh, I'm gonna crack your fucking clackers, you little shit!
Joe: Fight me, pussy. I know how to crack one's clackers.
Buster: Yes Joe?
Joe: If you don't know whose cunt smells the worst, it's gotta be your sister's rotting vegan cunt.
Buster: Ohhhh, I'm gonna crack your fucking clackers, you little shit!
Joe: Fight me, pussy. I know how to crack one's clackers.