full of beans
The phrase "full of beans" is an idiom with origins likely linked to the high energy associated with beans due to their nutritional content.
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Definition
B2General
(informal)Very energetic and lively.
Example
- The kids were full of beans after the birthday party.
C1US
(informal)Speaking nonsense or exaggerating.
Example
- He said he could run a mile in four minutes, but I think he's full of beans.
Similar
Terms that have similar or relatively close meanings to "full of beans":
know beans aboutsilly beanfull as a googfield beanstring beanhorse beanbutter beanblack beanbaked beanfill one's boots