Royyu Share definition Flag The highest form of fail ever. Even worse than the form of Epic Fail. The other day I tried crossing the street and almost got ran over. I'm glad I didn't, or else I would've become a Royyu. Royyu by Cherushii Elric October 6, 2008 0 0 Get merch Get the Royyu mug. Buy Now — $32.95 See more merch