a new york unbanite who spent half of his day servicing unsolicited COCK in the dirtiest, nastiest, stinkiest, filthiest public subway lavatory in the city.

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)