SM3W Share definition Flag a dope ass wallpiece. Usually thrown up in 6-7 hours depending on the complexity and detail of the piece itself. "ayyy vato, where were you all day?!" "i just threw up a dope SM3W down in South-Central" SM3W by smewpoop October 29, 2009 0 0 Get merch Get the SM3W mug. Buy Now — $32.95 See more merch
