blow-hard

[ bloh-hahrd ]
/ ˈbloʊˌhɑrd /
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noun Slang.

an exceptionally boastful and talkative person.

Origin of blow-hard

An Americanism dating back to 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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