swagger

To walk or conduct oneself with an insolent or arrogant air.

To brag; boast.

A swaggering manner of moving or behaving.

To strut with a defiant or insolent air, or with an obtrusive affectation of superiority.

To boast or brag noisily; bluster; bully; hector.

To influence by blustering or threats; bully.

Swell; all the rage.

The act or manner of a swaggerer; an insolent strut; a piece of bluster; boastfulness, bravado, or insolence in manner.

Same as swagman, 2.

To bully.