To blow your own trumpet means to talk proudly about your own achievements or abilities. It is used when someone tells others how good they are at something or how well they have done.
The expression comes from history, where trumpets were used to announce important people or victories. In this idiom, a person is acting like the one making that announcement for themselves.
The expression comes from history, where trumpets were used to announce important people or victories. In this idiom, a person is acting like the one making that announcement for themselves.
He doesn't like to blow his own trumpet, but he quietly mentioned that he finished the project weeks ahead of schedule.