biffwhip Share definition Flag Using your hand to gather moisture from your sweaty testicles then proceeding to slap someone with the same hand Don't make me biffwhip youHe was pissing me off so I biffwhipped him biffwhip by Pacman1982 November 15, 2016 0 0 Get merch Get the biffwhip mug. Buy Now — $32.95 See more merch