Biff Share definition Flag In short, a dick fart. The male version of a queef. Although this is physically imposable, it is a hilarious concept. Used as a derogatory term. If you don't think this word is funny, your a biff. Biff by Bazooka Jay September 27, 2009 0 0 Get merch Get the Biff mug. Buy Now — $32.95 See more merch