bitchin bastard Share definition Flag A male who is extremly annoying, to a point to where you think they had no father to teach them any better That guy Ross's father must have bolted on his mother because he is a bitchin bastard. bitchin bastard by Vinnie March 29, 2005 0 0 Get merch Get the bitchin bastard mug. Buy Now — $32.95 See more merch