Braggadocious
/ˌbɹæ.ɡəˈdəʊ.ʃəs/
"Braggadocious" in a Sentence (2 examples)
He talked in a braggadocious manner about his job, but […] I am not sure how successful he actually was.
And I'm really good at predicting things. They actually said during the campaign, they had a hat, the best-selling hat. Trump was right about everything. And I don't say that in a braggadocious way, but it's true. I've been right about everything