Someone who speaks loud and long, offering an opinion YOU disagree with.
That blowhard thinks the Red Sox can come back from a 3-0 deficit. Geez!
by Ole Truth Teller July 10, 2008
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A person who takes great pleasure in boasting or bragging about themself.
"The professor's tendancy to always bring up his credentials in conversation gave him a reputation as an egotistical blowhard."
by Deej July 19, 2004
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An uptight person. Square. By the book. Ass hole.
My neighbor across the street complains about the loud music, he is a real blow hard.
by Br@ndon May 04, 2006
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A pompous, self-righteous individual, the kind who, on being charged with non-compliance with Covid regs by not wearing a face covering, flunks the exemption test by blowing hard into the spirometer.
'This guy's an obvious blowhard - we'll send him for a lung function test.'
by Londheart January 05, 2021
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As mentioned in another definition, a very braggy and pretentious person, overly prideful and arrogant. See egotist.

Also could be an insult to anyone; the definition of this other insult is totally unrelated to boasting or bragging. We all know what blow means.
You blowhard!

You blow hard!
by Ranger Elite March 09, 2006
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1. a person that's insecure with their existence, and by their own virtue, they feel the need to blatantly spew ilk and diatribe about other people that are otherwise innocent.

2. also see: keyboardracer, gayrab, Ablab, & namedrop.
Dude: "Ha! Ha! Ha! Did you see Gayrab get knocked out the other day?"

Other Dude: "Yeppers! That's what he gets for being a blowhard."
by Name Witheld August 04, 2004
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