Miso Muncher Share definition Flag A person who gets sexually aroused from being sprayed in the mouth by Asians with spicy, egg ridden diarrhea. God, my dad is a serious "Miso Muncher", it's really quite disgusting. Miso Muncher by caIamari February 4, 2020 0 0 Get merch Get the Miso Muncher mug. Buy Now — $32.95 See more merch