A big tough shit. One that you really have to use your anal muscles to push out after eating a big meal the night before. And it hurts like hell when you push it out. It is sort of like a variation of constipation.

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)