swagger
n. uncountablen. a way of walking or behaving that shows you are very confident and proud. It is often used to describe someone who looks cool or important.
n. a confident, arrogant, or aggressive gait or manner. Often implies a performative display of status or self-assurance.
He walked into the room with a confident swagger.
The young athlete played with a certain swagger that intimidated his more experienced opponents.
The lead singer's stage presence was defined by a restless swagger, blending rock-and-roll defiance with a carefully cultivated sense of effortless cool.
A frequentative form of swag (“to sway”), first attested in A Midsummer Night's Dream (1595), see quotations.
From swag + -er.
Often used with the verb 'to have' or 'to walk with'.