Giant Clam Share definition Flag A fat pussy that produces a camel toe at a higher frequency than normal pussies. That bitch's giant clam gives her camel toe even in sweat pants. Nastia Lukin got a giant clam. Giant Clam by Righteous Fist October 9, 2008 0 0 Get merch Get the Giant Clam mug. Buy Now — $32.95 See more merch