An individual's general style, appearance, and way of being. A shortened version of "swagger." If one has "swag" he or she is perceived to be generally cool, awesome, and definitely trill and wavy.
Something that posseses the characteristics of "swag," be it a snapback, T-shirt, or pair of shoes.
Typically following the end of sentence or phrase, not really signifying anything. However to "swag" someone or something out is to make it as trill and wavy as possible.