Punching someone in a particularly sensitive area, such as the nuts, cunt-punching someone, the stomach, the throat, or the back of the head. Used as a threat.
Me: I'm gonna kill that guy...
Jerry: Dude, you couldn't kill him even if you had a gun...
Me: Shut the hell up, Jerry! Say that again and I'll punch you in the cancer!
Jerry: Dude, you couldn't kill him even if you had a gun...
Me: Shut the hell up, Jerry! Say that again and I'll punch you in the cancer!
by Chrizzles October 4, 2007