Not to be confused with a Buddy Fucker (gay guy and/or backstabber). A Bud' Fucker is someone who will fuck anything after consuming enough beer.
BOBBY: Did you see that fat, old, toothless, zit face bitch Greg picked up at the last call on Saturday night?
PETER: Yea, old AND zit faced, that's a rare combination. She was pretty ugly too.
BOBBY: Yea, pretty ugly, that's a rare combination. But I bet she gives great blowjobs!
PETER: Greg, Greg, Greg, what a Bud' fucker!