transitive. To speak boastfully or proudly of. with complement. To boast, declare confidently (to be).

To utter: also with out. Most frequently in a bad sense: To utter boastfully, angrily, etc. to blow into one's ear: to whisper privily. Obsolete.

To declare or assert boastfully, to boast. Const. with objective infinitive (obsolete) or subordinate clause.

To utter boastingly. Obsolete. rare.

transitive. To declare or assert in a boasting or grandiloquent manner. Also, in later use, with forth or away.

figurative. A means or agent (real or imaginary) which proclaims, celebrates, or gives warning of something. to blow one's own trumpet, to sound…

U.S. Black English slang. intransitive. To talk (or, transitive, to say) in an ostentatious or aggressive manner.