Swag Slap Share definition Flag It is when you write swag on one of your hands and slap the shit out of someone guy 1: Yo Jimmy I'm gonna Swag Slap youJimmy: bring it mofo Swag Slap by jswag95 November 29, 2011 0 0 Get merch Get the Swag Slap mug. Buy Now — $32.95 See more merch