full of prunes meaning

• [American idiom]
  full of nonsense; talking nonsense. (Slang.)
  • Oh, shut up, Mary. You're full of hot air.
  • Don't pay any attention to Bill. He's full of beans.
  • You're full of it.
  
• 
  [American slang]
  Go to full of hot air

• prunes and prisms:    1. Part of a formu ...
• at the full:    At the height, eg ...
• be full:    Verb: be fullBe sa ...

Examples

1. "They think I'm full of prunes when I suggest it, " Rather said.
2. "I'm not someone who takes umbrage because someone says, ` You're full of prunes . "'