When a guy is fucking a girl in the Coochie and she slides it up her ass without him knowing.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)

A girl that didn't wipe enough after taking a shit and smells like poop during sex