If you brag, you say in a very proud way that you have something or have done something. [disapproval]
He's always bragging about his prowess as a cricketer. [VERB + about]
He'll probably go around bragging to his friends. [VERB + to]
He once bragged that he would become the world's richest man. [VERB that]
Synonyms: boast, crow, swagger, vaunt