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blow (something) up out of proportion
To indicate, imply, or argue that something is more important or consequential than it really is; to overinflate the importance of something. Don't blow this up out of proportion, Bill—I was late because of traffic, and that's it. It's just a small inconvenience, don't blow it up out of proportion and make it sound like the end of the world.
blow to smithereens
cliché "Smithereens," first appearing in English in 1829 as "smiddereens," is likely derived from the Irish word smidirín or smidiríní, meaning "fragment."
1. To be smashed or blasted into tiny, fragmentary pieces. The soldiers detonated the explosives and watched the vehicle blow to smithereens. The gunpowder stored below somehow ignited, and the entire ship blew to smithereens.
2. To smash or blast something into tiny pieces. The demolition crew blew the building to smithereens in a matter of seconds. The typhoon's gale-force winds have been blowing the village to smithereens over the last few days.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
blow someone or something to smithereensand blow someone or something to bits; blow someone or something to pieces
Lit. to explode someone or something into tiny pieces. (See also blow something to smithereens.) The bomb blew the ancient church to smithereens. The explosion blew the tank to bits. The explosion blew the car to pieces.
blow something to smithereensand blow something to bits; blow something to pieces
Fig. to destroy an idea or plan by exposing its faults. (See also blow someone or something to smithereens.) The discovery blew my case to pieces. The opposing lawyer blew my case to smithereens.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.