A bad comb-over sitting atop the head of a mouth-foaming bigot (a bigot so bigoted that he foams at the mouth when he goes on a bigoted tirade).

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)