Urban garlic Share definition Flag The product created by a vagrant upon defecating in or on a car after consuming waste from an Italian restaurant dumpster. "What's that smell!?!" "Oh some homeless guy left some urban garlic in my backseat the other day." Urban garlic by GermanKurt25 February 3, 2017 0 0 Get merch Get the Urban garlic mug. Buy Now — $32.95 See more merch