Webster's Revised Unabridged Dictionary · 1913

Swagger

Swagger , intransitive verb

[Freq. of swag.]

1.
To walk with a swaying motion; hence, to walk and act in a pompous, consequential manner.
A man who swaggers about London clubs. — Beaconsfield
2.
To boast or brag noisily; to be ostentatiously proud or vainglorious; to bluster; to bully.
What a pleasant it is... to swagger at the bar! — Arbuthnot
To be great is not... to swagger at our footmen. — Colier

Swagger , transitive verb

To bully. [Rare] — Swift

Swagger , noun

The act or manner of a swaggerer.
He gave a half swagger, half leer, as he stepped forth to receive us. — W. Irving

Swagger , noun

A swagman. [Australia]