A word used to describe a girl's gluteus maximus that has an oddly shape to it and usually possesses strange lumps, bumps, dipples, crevices and right angles. This type of asymmetric and disproportioned ass is almost always seen as unattractive to an onlooker.
Male 1: Hey, did you see Sam in her new corteroid pants?
Male2: Unfortunately yes, her ass appeared like it had booty cancer, I nearly threw up.
(n)origin: unknown. A disease of the upper thigh caused by the potent radiation of a common cell phone. If diagnosed early, it may not be fatal, but in most cases unfortunately it is a terminal illness. Some people believe that the illness can be reversed if the patient is told "bless your soul" repeatedly.
To avoid the harmful afffects of laughing thigh-cancer, shelby wisely keeps her cell phone away from her thighs.
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!