Uvula Slammer Share definition Flag A funny joke. When you laugh so hard it makes your uvula flap back and forth. Matt: "That joke really cracked me up!!" Andrew: "Yeah, it was a real Uvula Slammer" Uvula Slammer by Matthew Walker May 12, 2006 0 0 Get merch Get the Uvula Slammer mug. Buy Now — $32.95 See more merch