buttwonder

someone who is always talking out of their ass, making no sense to the people around him/her. A person who could be either funny, or very annoying.

the new boss at work is a complete buttwonder.

by wonder_woman January 5, 2009

buttunders

The muscles under your butt and at the top of the legs.

I worked out my buttunders at the gym.

by ShellPT June 24, 2019