A rodent, specifically a rat that is owned by a father or dad figure that is usually kept hidden or in secret for sucking or suckling purposes. It is common that said rat is covered in some sort of sewer sludge or feces for "flavor" enhancements.

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)