A term used to refer to a paedophile. In common usage within correctional facilities. Derived from the analogy that a paedophile, like a rock spider, is always getting into little cracks. Crass and vulgar, I know, but there is.

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)