A prickly, fiery burning in the rectal cavity during the act of defecation, as though one were passing a cactus through the colon.
Remind me not to get the Inferno Burger next time we go out to eat; that gave me mad cactus ass.
The prickly, greasy, "Cactus" feeling in which booty sweat and booboo residue remain in the anus for a lengthy amount of time.
Sometimes when I work out, I end up getting Cactus ass if I don't shower right after!
One who has prickly hairs growing out of his ass.
Damn go shave that cactus ass!
get the fuck outta my bed ya cactus ass muthafucka!