1 : A Stranger Or Friend who has done something stupid
2 : Something to call someone who insults you.
3: A fun word to say :D XD
1 : " Friends Trips Over a Stick" What A Bumderhead
2: Mom : DO YOU CHORES
Kid : NOOOO, YOU BUMDERHEAD.
3 : It just Explains itself, feel free to try and say this in a retarded accent. XD