v. When you crap your pants but just enough to get the cheeks wet.

During the ejaculation part, you do it all over your partners ass.

Expression Related to Cheese and crackers of oh my god

this occurs when one receives a rim job from a female specimen known as a butter face.

The private parts of a woman who has already had sexual intercourse with someone else

Rolling back to the 1970's joy of sex book,a buttered bun is the highest bond between two male friends. To have sex with a woman, cum inside her, and have the other male have sex with her right after him and let his cum get all over his penis.

aka sloppy seconds. Though this one goes back a few hundred more years.