Definition:

1. How one presents him or her self to the world. Swagger is shown from how the person handles a situation. It can also be shown in the person's walk. An appearance of self-confidence.
2. Prideful, Arrogant walk or stride.
3. Swagger is to to move with confidence, sophistication and a sense of being cool.
4. Swagger is to conduct your self in a way that would automatically earn respect.
5. To dress in a very stylish and fashionable way would suggest one is swagger.

Basically your swagger is how you carry yourself.  When someone walks in a room, the presence they exude and the confidence they reflect in him/her self.  Your persona is your swagger. Get your game up.