braggery

Example:His boasting about his recent promotion was impossible to ignore.

Definition:The act of making claims about one's skills, qualities, or possessions that are often meant to appear more impressive than they really are, as in order to make others admire you or feel inferior.

Example:His vainglory in the school play made it difficult for the cast to work together.

Definition:A seeking of public recognition or admiration by seeking to show oneself off as better, cleverer, stronger, etc., than one is—usually for no good reason.

Example:She got tired of all her friends showing off about their latest inventions.

Definition:The act of deliberately trying to draw attention to oneself in an often showy, arrogant, or self-aggrandizing manner.

Example:The taunt about his falling off the bike last year still echoed in the playground.

Definition:To talk insultingly in a way that is intended to annoy or worse someone, especially by reminding them of something bad they have done.