swagger
swag-ger
verb
To walk or behave with excessive confidence and often noticeable arrogance.
"He swaggered into the pub."
noun
A very confident, often arrogant, manner of walking or behaving.
"His confident swagger was hard to ignore."
Thesaurus
Synonyms: strut, ruffle, cock, tittup, prance, sashay, bully, browbeat, fashionable, stylish, groovy, bluster