This definition has beginnings from men who take woman out and falsely portray themselves as big time person. Then the women finds out that they are a phony, who has nothing to offer in the relationship. This also pertains to the workplace.

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)