to brag

verb
  1. To talk about oneself, one's achievements, or one's possessions in a way that shows excessive pride or self-satisfaction. verb
    He likes to brag about his new car to everyone he meets.
    She couldn't stop bragging about her promotion at work.
  2. A boastful or arrogant statement or claim. noun
    His claim that he could run a mile in under four minutes was just a brag.
    The athlete's brag about winning the championship was met with skepticism.