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hot air

 
Noun hot air has 2 senses
  1. hot air - air that has been heated and tends to rise
    --1 is a kind of
    air
  2. palaver, hot air, empty words, empty talk, rhetoric - loud and confused and empty talk; "mere rhetoric"
    --2 is a kind of nonsense, bunk, nonsensicality, meaninglessness, hokum
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