The act of male sexual reciprocation of maternally projected loathing or the sexual manifestation of self-loathing superimposed onto the mother/son relationship by means of some sort of Oedipal paranoia.
ie: When a motherfucker fucks his mother because fucking his mother is the closest a motherfucker can come to crawling inside of her and physically reversing his birth.
Justin - How come you don't laugh at my jokes, mom?
Mary - Because your a mean and vulgar boy!
Justin - Jeez! What do you want from me? A #1 Son Refund?
Mary - I don't know what that is, but I've read The Bible five times and I'm not going to listen to you tell me about it!
The paradoxical visual juxtaposition of a youthful-looking vaginal area/pelvic triangle coupled by bloated and probably overstimulated, dirty and discolored labia.
Wizard sleeves - far before the vagina's time.
I saw you staring at Anberlin's booty-shorts camel toe, but you don't know that bitch gots loaded baked potato!
Urinating in a public, men's bathroom that has more than one urinal and opting to, rather than use one urinal and stick to it, run the gauntlet and piss in all of the urinals in a continuous stream. Usually performed while drunk, although sober attempts are acceptable.
I got out of the movie and there was nobody there, except this old dude taking a shit. So, I did an Irish drive-by.