Someone who cracks up lame jokes, is a great friend, needs real guidance in picking boys and will never let you down.
She also tends to laugh a lot at small kids, for no apparent reason.

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)