Knuckle Pussy Share definition Flag When a girl has a clit so big it looks like a knuckle growing out of her pussy. Also known a Ol' Knuckle Puss. Knuckle Pussy Knuckle Pussy by Tee Toney Tone September 10, 2012 0 0 Get merch Get the Knuckle Pussy mug. Buy Now — $32.95 See more merch