Swagajig Share definition Flag To take a sip of a beverage. To bum a sip of a beverage from another person. See also Swigajag for cigarette bumming. "Hey let me Swagajig of that 40" Swagajig by TheWileyman January 15, 2008 0 0 Get merch Get the Swagajig mug. Buy Now — $32.95 See more merch