Motorbike slap Posted in M Best definition Motorbike slap 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. via giphy How satisfied are you with the definition? Looking for Motorbike slap meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 44 times.