toot your own horn
US /tuːt jʊər oʊn hɔrn/
UK /tuːt jʊər oʊn hɔrn/
1.
to boast about one's own achievements or talents
:
•
He's always tooting his own horn about how well he did on the project.
•
It's okay to toot your own horn sometimes, especially when you've achieved something great.