fartbeak Share definition Flag someone who farts and then denies it, someone chicken son-of-a-bitch who farts and then runs away things never worked out between Pete and Wilma, he was too much of a fartbeak fartbeak by Roger Melsinate October 17, 2006 0 0 Get merch Get the fartbeak mug. Buy Now — $32.95 See more merch