Dirty Decoteau Share definition Flag When a fucking idiot drops a buster full of weed or the remaining keif in the bottom chamber "Wheres the weed?" "Brandon the fuckhead dirty decoteau'd it" Dirty Decoteau by YanThebabykiller January 22, 2016 0 0 Get merch Get the Dirty Decoteau mug. Buy Now — $32.95 See more merch