Ass Swag Share definition Flag When one walks with his/her ass sticking out in an attempt to attract the opposite sex.usually done by dancers.. Sarah Millar was totally ass swagging it up today dude, i think ill tap that! Ass Swag by Ackward Swag July 31, 2011 0 0 Get merch Get the Ass Swag mug. Buy Now — $32.95 See more merch