(pronounced butt-tub) An insult for a person who is a
tool or irritating. Draws reference to someone who smells like a tub full of butts Also the ultimate palindrome.
1.
Chick 1: That ian guy is such a buttub
Chick 2: yer he's totally not getting any sex from me
2. Oi you buttub get off of that railing before you kill yourself.