Wet Willy Share definition Flag When someone sticks their wet/gross fingers in someone's ear filled with mouth mucus. If a guy does it to a guy, he's probably gay. A guy gave me a wet willy, I think he just came out! Wet Willy by dirtyboiwhocreams January 4, 2017 0 0 Get merch Get the Wet Willy mug. Buy Now — $32.95 See more merch