Crotch Crumping Share definition Flag when two females rub together their crotches vigorously. Courtney: Hey do you want to do some Crotch Crumping? Emily: Sure, I would love too. Crotch Crumping by CaCaCaCassie February 27, 2013 0 0 Get merch Get the Crotch Crumping mug. Buy Now — $32.95 See more merch