crusty crotch Share definition Flag when a vast amount of semen is projectiled towards your pubic area and left to dry up. yeah i blew all over her pussy she didn't wipe it up, in the morning she had a crusty crotch crusty crotch by endlessnameless February 3, 2010 0 0 Get merch Get the crusty crotch mug. Buy Now — $32.95 See more merch