Cum Dumpster Share definition Flag Person who consumes a lot of cum into the vaginal, oral opening, or any opening. Also likes to be a cum recycling spot for anyone. Alison Dolly is such a cum dumpster. Jeeze she gets around. Cum Dumpster by yaya10 October 11, 2011 0 0 Get merch Get the Cum Dumpster mug. Buy Now — $32.95 See more merch