Vraboose Share definition Flag Adj. Used in a similar context as "fucked up" or "unheard of", only more extreme. Did you see that turd on that womans butt?I did, thats vraboose! Vraboose by Bmcfoe September 30, 2010 0 0 Get merch Get the Vraboose mug. Buy Now — $32.95 See more merch