you betta die Share definition Flag A phrase to be used when somebody tells you something either out the blue or something really stupid. Jimmy: Yo, you coming with me on the train? Keisha: Pfft, go outside in this cold? You betta die! you betta die by Tyrell Jenkins October 15, 2006 0 0 Get merch Get the you betta die mug. Buy Now — $32.95 See more merch