pin joint Share definition Flag A skinnyass joint thats as small as a friggin pin. Rolled by dudes who are bogart with thier weed. "What the fuck...theres more paper than dope in this lameass pin joint..." pin joint by Chipping Woodlet III December 1, 2005 0 0 Get merch Get the pin joint mug. Buy Now — $32.95 See more merch