Meaning

2 senses
  1. (US, informal, uncountable)Empty or exaggerated talk lacking in substance, boasting, chatter, nonsense.

  2. (dated, informal, slang, uncountable)Any of various beverages, usually including gas dissolved in liquid.

Origin

Extended from synonymous hot air, gas. Attested in both senses from the 19th century.

Extended from synonymous hot air, gas. Attested in both senses from the 19th century.

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