cum guppy Share definition Flag It's a chick, hence the fish reference, that gulps down cum like guppies gulping for oxygen in the water. That little whore is such a cum guppy, she will swallow every drop! cum guppy by Solomon Grundy August 9, 2006 0 0 Get merch Get the cum guppy mug. Buy Now — $32.95 See more merch