Wetty Warmer Share definition Flag peeing in your wetsuit while out in the surf to provide warmth. It was 10*C in the water, but the surf was great, so I did a wetty warmer and stayed out another 1/2 hour Wetty Warmer by Anonymous February 27, 2003 0 0 Get merch Get the Wetty Warmer mug. Buy Now — $32.95 See more merch