Strut (verb)

1. Walk with a proud, upright gait, throwing one's weight about to impress others.
2. Make a display of oneself in order to impress others.

Origin:

Late 16th century (as a noun): of unknown origin.

Examples:

1. He strutted around the room, preening himself.
2. She strutted her stuff on the runway.
3. The peacock strutted across the lawn.
4. The politicians strutted their hour upon the stage.
5. The young man strutted his stuff in front of the crowd.