rastus 20 Share definition Flag A "Rastus 20" is a person wo is a terrible YouTuber. They like to rage quit and love shitty games like rocket league. You are a Rastus 20! Your YouTube sucks! rastus 20 by Digimon fan123 November 29, 2016 0 0 Get merch Get the rastus 20 mug. Buy Now — $32.95 See more merch