douchebag 9000 Share definition Flag a total douchebag, to the point where its extreme and unaccaptable person 1 "wow, addie is such a douchebag 9000"person 2 "i know! she just wont leave everyone alone" douchebag 9000 by tee2dahee July 18, 2009 0 0 Get merch Get the douchebag 9000 mug. Buy Now — $32.95 See more merch