banana slush Share definition Flag when a guy cums on a banana and makes a girl eat it, spit it out and rub it on her vagina and calls her dog in to eat it. dude i cant believe her dog finished the banana slush! i shouldve eaten it banana slush by dikemuncher May 26, 2010 0 0 Get merch Get the banana slush mug. Buy Now — $32.95 See more merch