undalton Share definition Flag undalton - to become less fat, live a less grotesque lifestyle, and gain a large amount of intelligence; moving up from being the scum of the earth Dude u need to severely undalton yourself or you will be a loser forever undalton by Demomman June 7, 2021 0 0 Get merch Get the undalton mug. Buy Now — $32.95 See more merch
