What does ‘full of beans’ mean?

To “full of beans” means to lively and energetic. A 19th-century idiom, originally applied to horses fed beans as fodder; Brewer's records the horse sense.

Origin

  • A 19th-century idiom, originally applied to horses fed beans as fodder; Brewer's records the horse sense.

How to use it

  • Warm description of high spirits.
  • Example: The kids are full of beans this morning.

Source:

Last verified: 2026-07-18

  • Definitions and origins are drawn from public-domain reference works, primarily Brewer's Dictionary of Phrase and Fable (1898), with modern usage notes clearly marked.

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