Full of hot air
Suggest a CorrectionMeaning
Talking big with no substance, all puff.
Origin
From 19th-century America, tied to balloons; hot air lifts, slang by 1870s for bunk. A 1873 'New York Times' uses it for a tall tale.
Usage Examples
- He's full of hot air; big talk, no do.
- Full of hot air; that story's bunk.
- She's full of hot air; promises flop.
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