Muff-tache Share definition Flag A half-shaven pussy with funny tendrils of hair extending along the leg creases. It looks like a vagina moustache. The "That 'Seventies Pet" in Penthouse last month had an hilarious muff-tache. Muff-tache by Liz Gums January 27, 2009 0 0 Get merch Get the Muff-tache mug. Buy Now — $32.95 See more merch