Tittleduddy Share definition Flag Something extremely cute and small. Sometimes pronounced as, "Tilduddy." Person 1: "Aw! Look at that cute little dog!"Person 2: "It's such a tittleduddy!" Tittleduddy by Anon13254 April 21, 2019 0 0 Get merch Get the Tittleduddy mug. Buy Now — $32.95 See more merch