moundmuncher Share definition Flag labia-licker, or otherwise a lesbian who performs oral sex on a woman Hello, my name is Sally and I l ike to go down on my girlfriends. I am a moundmuncher. moundmuncher by krj4556 August 18, 2006 0 0 Get merch Get the moundmuncher mug. Buy Now — $32.95 See more merch