doobie(redirected from a duby)
slang A marijuana cigarette; a joint. It sure smells like those kids out in the park are passing a doobie back and forth.
doobieand dooby and duby (ˈdubi)
n. a marijuana cigarette; a fat marijuana cigarette. (Drugs.) Frank sells doobies like they were candy. Can you spare me a dooby, brother?