cum five Share definition Flag After getting a blow job and cumming on a girl's face and hands.. The girl holds her hand up then gives the guy a "cum five" by slapping hands as it splatters. After giving Chad a blow job Liz gives him a cum five! cum five by Yeraldin September 20, 2016 0 0 Get merch Get the cum five mug. Buy Now — $32.95 See more merch