Flaunt (verb)

1. To display or show off (something) ostentatiously, often in order to provoke envy or admiration in others.
2. To behave in a way that is intended to attract attention or admiration.

Origin:

From middle english flaunten, from old french flanter, from flante, feminine of flant, present participle of flaire, from latin flagitāre ("to demand, claim, ask urgently"), from flagitium ("shame, disgrace").

Examples:

1. She flaunted her new diamond ring in front of her friends.
2. He flaunts his wealth by driving a flashy car.
3. She always flaunts her latest designer clothes.
4. He likes to flaunt his knowledge in front of others.
5. She flaunted her good looks to get what she wanted.