Do-Bro Share definition Flag A familial shortening of Double Brown, a low priced but tasty beer "brewed" by Dominion Breweries in NZ. 20 for 20 dude. Can't beat the ol' Do-Bros. Do-Bro by Steve Gordon February 13, 2008 0 0 Get merch Get the Do-Bro mug. Buy Now — $32.95 See more merch