a person who is both a bum and a dick, a dirty, rotten smelling, disgusting person.
Wallkill Ruby Tuesday's General Manager: Fred.
in a sentence.. Fred is a bumdick and member of The Bum Dick Click
Someone who preys on drunk girls and shits in your toilet without flushing. Also, even if there is deodourant there they refuse to use it. The never wash their hands and cook disgusting meals. They often have overly loud voices and are obnoxious.
Andrew is a bumdick. He took a shit on this girls floor because she refused to have sex with him.