Meaning of bananas

ba•nan•as

Pronunciation: (bu-nan'uz), [key]
— adj. Slang.
  1. crazy; deranged: All that chatter is driving me bananas.
  2. wildly enthusiastic: The crowd went bananas when the music began.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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