Dorky euphemsim for the already not terribly profane "pissed off". See also Profanity.
The Fat Boy's debut album depicted the three members of the group eating ice cream, soda, hamburgers, and pizza, and on top of the pizza was a smaller version of the trio wearing prison stripes. In other words, it doesn't make a lick of sense. See also 80's, Hip-Hop, Music.
"It doesn't make a difference what temperature a room is, it's always room temperature." - Steven Wright