He steered with no end of a swagger while you were by; but if he lost sight of you, he became instantly the prey of an abject funk, and would let that cripple of a steamboat get the upper hand of him in a minute.
There are no more uses of "swagger" in the book.
Show samples from other sources
The team swaggered onto the court—full of confidence.
The cowboy swaggered into the saloon with his holster unstrapped.