Definition of blow (or toot) one's own horn in English:

blow (or toot) one's own horn

phrase

North American
informal
  • Talk boastfully about oneself or one's achievements.

    • ‘Now, not to toot my own horn, but don't you think I deserve some credit in this scenario?’
    • ‘I hate to toot my own horn but this is a pretty huge paradigm shift for me.’
    • ‘Anyhow - I'm not writing to toot my own horn, I am writing to toot yours.’
    • ‘He's not a person that blows his own horn at all.’
    • ‘He's certainly not shy about tooting his own horn in regard to some of the decisions that were made concerning the script and location shooting.’
    • ‘To toot my own horn, I've been referred to as ‘hot’ upon more than one occasion.’
    • ‘Don't envy, don't boast, don't toot your own horn - ever.’
    • ‘In other words, you're not just blowing your own horn.’
    • ‘We are not trying to toot our own horn by praising the achievements of Taiwan's agricultural technical teams.’
    • ‘Do not be conceited, he who blows his own horn will find people are quick to get out of his way.’
    boast, brag, sing one's own praises, show off, swank, congratulate oneself
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