wahzoo
Butt, A-hole... what have you. Used almost exclusively with "up the-" as in "up the wahzoo" - meaning being inundated and bursting.
"The plane was overbooked. They had passengers up the wahzoo."
wahzoo
Rubs himself during class infront of hot people usually of the opposite sex and claims to be looking for a writing utensil.
I was pulling off such a wahzoo at that gay porn convention.