Noun. An insult used to refer to someone who tries too hard in order to compensate for something lacking (i.e. trying to be cool; i.e. Carson Daly). It is often associated with a decreased mental capacity. One of the most vicious insults that can be bestowed upon a fellow human being.
Rick: "Are you and Bethany still together?"
Steve: "You wouldn't think so. I haven't called her in like a week. I even slept with her sister, but that poontangerang keeps peepin' me up!"