Occurs when a man hits something with his testicles. This could be on purpose or an accident. Primarily occurs when he strikes a woman in the face with his testicles on purpose. Also a derogatory remark when used as a threat.

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)

to get beat down and embarassed in the worst way possible