Yes, swagger is a Scrabble word!

Verb

1. To walk with a lofty proud gait, often in an attempt to impress others

2. Discourage or frighten with threats or a domineering manner; intimidate

3. Act in an arrogant, overly self-assured, or conceited manner

Adjective

1. (British informal) very chic

Noun

1. An itinerant Australian laborer who carries his personal belongings in a bundle as he travels around in search of work

2. A proud stiff pompous gait