full of beans

Idioms  

1. Lively, energetic, in high spirits, as in The children were full of beans today, looking forward to their field trip . This expression has no valid explanation. [c. 1840]

2. Also, full of prunes . Acting foolish, talking nonsense, as in One cup of coffee won't hurt you—you're full of prunes . [c. 1930] Also see full of crap .

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Example Sentences

The singer is always like this – bright eyed, bushy tailed, full of beans before breakfast - but at Glastonbury, he had an extra spring in his step.

From BBC

He jogged up the mountain and back, full of beans, showing off but also sharing his enthusiasm and demonstrating a skill that gave confidence that this 20-something conductor had the chops.

From Los Angeles Times

The first time full of beans that revived it for good.

From Los Angeles Times

“He works for us as a detection dog. When he works he’s really focused and works really well but when he’s off work he’s a two-year-old Labrador, full of beans, jumping around.”

From BBC

She said she remembers Daniel as "an enigma, full of beans, full of life, from the day he was born just kind, caring, generous, loved by everybody."

From BBC