Cunt muffler Share definition Flag A device that keeps some vaginas from making a whole bunch of noise when they're driving. Man, put a cunt muffler on that bitch's snatch. It won't shut up. Cunt muffler by Pollup January 14, 2008 0 0 Get merch Get the Cunt muffler mug. Buy Now — $32.95 See more merch