OTNC Share definition Flag OTNC is a short term for OLD TOWN NATIONAL CITY which is a gang in south bay San Diego person 1: “i heard that guy over there is from otnc” person 2: “isn’t that a gang in south bay sam diego?” OTNC by 1520Boy February 11, 2021 0 0 Get merch Get the OTNC mug. Buy Now — $32.95 See more merch
