boast of (someone or something)
To speak proudly of someone or something, perhaps to an excessive or unwarranted degree. You're my daughter, and you are at the top of the class—of course I'm going to boast of you! He keeps boasting of his heroic actions, but he really didn't have that big of a role in the rescue efforts. Jim is boasting of getting the promotion, but the boss hasn't officially awarded it yet.
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