Madgaz
A big fat hairy bastard, who's ego is 100 times larger than his fat stomach. He frequently uses the words "child" and "ass" in the same sentence, which leads people to believe he may be a pedophile.
John: Mate you need to tweak that a bit
David: Nah fuck off no I don't.
John: Stop acting like a madgaz.
David: Nah fuck off no I don't.
John: Stop acting like a madgaz.