Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Slang Crazy: "That's the horrible thing when you're bananas—nobody can know the awful things that are going on in your head” ( Otto Friedrich). "City dwellers . . . are subjected to so much noise it drives them bananas” ( New Yorker).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of banana.
  • adj. crazy, mad, nuts

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

From banana, worthless or crazy person, from banana.

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.

  • Bananas are slightly radioactive (thanks, frogapplause).

    June 20, 2010

  • One of Woody Allen's earlier movies. Sylvester Stallone has a small role in it.

    October 17, 2009