Butt-Nazi N. An arrogant, self centered, callous and rude Mother fucker who gets up in your face even when they are at fault. Refers to when a person is being a butt to the point where they become a Nazi.
Man, that fucking buttnazi keeps fucking up and blaming me for it.
by Brad Marluke March 14, 2007
someone who forces anal sex on someone.
Man that guy in the bar was such a butt nazi!
by Nic August 27, 2003