a pun used to describe something hilarious, which pertains to hair or is hair-related.

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)

A person who has hair so f'in hiLARiously hideous that all one can do is laugh.