swanking

/S W AE1 NG K IH0 NG/
verb
  1. 1

    To swagger, to show off.

    โ€œLooks like she's going to swank in, flashing her diamonds, then swank out to another party.โ€

Source: https://en.wiktionary.org/wiki/swank, https://en.wiktionary.org/wiki/swanking