One who is an introvert and capable of socialization. The term is largely pointless and self-applied by people who don't understand that introverts are not inherently incapable of socializing.

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)