Blow one's own horn

Meaning

Boast about one's achievements.

Usage

Used when someone proudly self-promotes.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Ancient battle trumpets announced victories.

19th-century English phrase tied to parades and fanfare.