Doostang Share definition Flag The malodorous smell you encounter in a public restroom after someone has left a large bowel movement in the bowl. Dude, I gotta poo, but there is such a doostang in there that I'll just wait till I get home. Doostang by don't like doostang April 9, 2010 0 0 Get merch Get the Doostang mug. Buy Now — $32.95 See more merch