crack one

to smoke marijuana specifically a blunt as one has to "crack" a blunt before it can be rolled.

"Yo, come over my house and let's crack one"

crack one

verb.

To fart.

Synonyms: rip one, blow one, cut one

Donkey: "Oooo, Shrek, did you just do that? Man, you oughta warn someone when you crack one like that!"
Shrek: "Believe me, Donkey, If that had been me, you'd have been dead. (*inhales*) It's brimstone."

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.