The type of person who is shady, scandalous and typically does dirt in the late hours or very early morning. May have a girlfriend but never sees her due to his extracurricular activities he chooses.

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)