water cockroach Share definition Flag A large marine crustacean commonly seen in the aquarium at the front entrance of Red Lobster. Would you like some lobster? No thank you, I will pass on eating a water cockroach. water cockroach by Fubar Amen August 6, 2009 0 0 Get merch Get the water cockroach mug. Buy Now — $32.95 See more merch
