crotch roach Share definition Flag A person that has sex with a large number of persons. i.e. sex addict, finding any hole to hide in. "John is such a crotch roach. He will fuck anything." crotch roach by Blue Lagoon Under Shining Moon January 24, 2009 0 0 Get merch Get the crotch roach mug. Buy Now — $32.95 See more merch