| empty, exaggerated, or pretentious talk or writing: His report on the company's progress was just so much hot air. |

| hot air n. Slang Empty, exaggerated talk. |
hot air
|
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]