Cum Bunyip Share definition Flag A fat sperm dripping mammoth of a human that likes to take loads in every orifice possible. "Look at that fat fucking cum bunyip i`m sure she would swallow your man custard by the bucketload" Cum Bunyip by tha OX April 13, 2010 0 0 Get merch Get the Cum Bunyip mug. Buy Now — $32.95 See more merch