When
people use the term “eager beaver”
as an idiom, they are generally referring to someone (especially a child) who
is very excited or enthusiastic to begin a task.
For Example:
“Tom did all of his homework before supper. He
is an eager beaver."
This is the Idiom #52 in the List of 100 commonly used Idioms in everyday English (Top 100 famous Idioms). By introducing this list of notable idioms to English learners and ESL students as you, we believe that your English will sound more like a native and you can easily understand what native speakers are saying. Please like and share this list with your friends if you think it is helpful - the full list is here.