Nuttin' in one's sock.
Usually a last resort when one does not have a condom, toilet paper or just somewhere else to blow the load. Or when the person is too fucking lazy.
"I walked in on Adam and he was sitting out of his socks watching midget porn."
"Sitting out of one's socks is fuckingnasty, dude."
It's pretty much your mom's favorite animal. Indigenous to the trousers of the mutant and bred for its skills in sex. Usually directs its venom at the eyes when agitated.
The one-eyed spitting cobra is an endangered species. Only one is known to be left in existence.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).