Wet belly Share definition Flag A person who is extremely emotional, often involved in PDAs on social media, in touch with their feelings, buy into the idea of 'love'. "Did you see that picture he put up of him and his girlfriend? What a wet belly!" Wet belly by Shane Blackett August 18, 2017 0 0 Get merch Get the Wet belly mug. Buy Now — $32.95 See more merch