Moist Gremlin Share definition Flag When you eat a twinkie out of someones butthole Jarret and Nick where so drunk they decided to get naked and give eachother moist gremlins Moist Gremlin by ShishuJohnny September 29, 2012 0 0 Get merch Get the Moist Gremlin mug. Buy Now — $32.95 See more merch