Clamidity Share definition Flag The relative humidity of a woman's clam. Clam being the derogatory term for pussy. Her pussy was wet. Her clamidity was high. It's a play on the word clam + humidity. s o c a l Clamidity by clamidity July 7, 2012 0 0 Get merch Get the Clamidity mug. Buy Now — $32.95 See more merch