grouper-mouth Share definition Flag A man or a woman who is defined by a wide downturned fish mouth on their face. Literally un-escapable fish mouth. Oh fuck me Johnny! Bettah get out your bag of croutons, because here comes "grouper-mouth" Janet. grouper-mouth by Fizban Albrite October 27, 2020 0 0 Get merch Get the grouper-mouth mug. Buy Now — $32.95 See more merch