noun Slang.

an exceptionally boastful and talkative person.

Origin of blow-hard

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

Examples from the Web for blow-hard

Historical Examples of blow-hard

  • The sight of him frightened Blow-hard so that he ran and climbed to the top of a door.

  • "The young squirt was always a Smart-Aleck and a blow-hard," he said.

    Poor White

    Sherwood Anderson

  • Hes the blow-hard that was going to do all sorts of things to Liddell last spring, if you believe the papers.

    Full-Back Foster

    Ralph Henry Barbour

  • Rolltar the Mars man—boastful fellow, blow-hard—he was telling some of us that in his opinion Tarrano had already run away.

    Tarrano the Conqueror

    Raymond King Cummings

  • Hear-all told him what had passed, and that now he could hear Blow-hard complaining of a broken leg.