The erect penis of a sleeping male. Such named because someone sleeping with said male may get repeated poked with said erect penis as the male moves in his sleep, resulting in a feeling of getting attacked by a very small shark.

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)