Beastro Share definition Flag A term started by YouTuber Reggiecuhh, Beastro or Beast is a very ugly person. They can come in all shapes and sizes. Boaa that’s a beastro ain’t it lhhh Beastro by HOFCocksman November 9, 2022 0 0 Get merch Get the Beastro mug. Buy Now — $32.95 See more merch