drywalled Share definition Flag To buy drugs but instead receive a look-a-like substance. Comes from the practice of selling drywall to crack addicts during the crack epidemic. Steve opened his bag of weed just to realize he had been drywalled and bought $20 worth of oregano. drywalled by 56k April 1, 2011 0 0 Get merch Get the drywalled mug. Buy Now — $32.95 See more merch