miせびらかすsebirakasu
1.

To display something valuable or rare with a sense of pride, often to impress others or gain admiration.

2.

To exhibit an item as a means of boasting about one’s possessions or achievements to others.

3.

To ostentatiously present something in order to attract attention or envy from those around you.

4.

To showcase an acquisition or accomplishment while relishing in the attention it draws from others.

Example:

彼女は宝石を得意げに見せびらかした。