What someone is when they fuck up in a stupendously amazing fashion or are just incredibly stupid in general. Must be used with the following inflection:
"You're an absolute FUCKingwalnut!"
-After Dave finished his explanation why whites and blacks are different species-
"Dave, you're an absolute FUCKingwalnut!"
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).