Motorbike slap Share definition Flag A Motorbike slap is a swift vicious cock slap to the right face cheek or arse cheek Brad loves getting Motorbike slapped by marcus both ways then returning the favour. Motorbike slap by Ezzaronaldsenn October 3, 2016 0 0 Get merch Get the Motorbike slap mug. Buy Now — $32.95 See more merch