Showoff (noun)

A person who acts in a conspicuous or ostentatious manner in order to attract attention or admiration.

Origin:

From show + off.

Examples:

1. He was a showoff who always wanted to be the center of attention.
2. She was a showoff who always wore the latest fashions.
3. He was a showoff who always bragged about his accomplishments.
4. She was a showoff who always did things to impress others.
5. The showoff was always doing something to get noticed.