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hot air

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hot air

  (informal)

if something that someone says is just hot air, it is not sincere and will have no practical results Their promises turned out to be just so much hot air.

See also: air, hot

hot air

Empty, exaggerated talk, as in That last speech of his was pure hot air. It is also put as full of hot air, as in Pay no attention to Howard-he's full of hot air. This metaphoric term transfers heated air to vaporous talk. [Late 1800s]

See also: air, hot

hot air

n. boasting; lying; nonsense. That’s just a lot of hot air. Ignore it.

See also: air, hot