Meaning of the word "be full of beans" in English

What does "be full of beans" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be full of beans

US /bi fʊl əv biːnz/
UK /bi fʊl əv biːnz/
"be full of beans" picture

Idiom

to have a lot of energy and enthusiasm

Example:
The children were full of beans after eating all that candy.
She's always full of beans in the morning, ready to start the day.