The one thing about you that gives you swag. In order for it to be determined that someone has swag, they must first show off their swag flag. A swag flag can be a piece of clothing, jewelry, a physical body part, amongst other things.
Mike: Yoo look at that loser over there, he ain't got no swag.
Jamal: you kidding me? look at those nikes.
Mike: O damn, I didn't see his swag flag. That kid has got swag.