Slippery Clam Share definition Flag A term for an excessivley moist object (vagina) that resembles and feels like a slippery clam or mollusk "I've been waiting to fry up her slippery clam all day" Slippery Clam by josh tribune February 12, 2004 0 0 Get merch Get the Slippery Clam mug. Buy Now — $32.95 See more merch