vroi Share definition Flag A combination of the words "vro" and "boi". It is used when a friends does something exceedingly stupid. Friend 1: WHO STOLE MY KEYS Friend 2: You're holding them right now... Friend 1: Oh Friend 2: Vroi vroi by Gaeboi314 December 1, 2017 0 0 Get merch Get the vroi mug. Buy Now — $32.95 See more merch