eager beaver
busy bee
live wire
sharpie
sharpy

You know the way the media and the eager beavers on the Hill are these days.

Most of the regular staff was gone, even the eager beavers who worked late.

Don't let the eager beaver get his head blown off.

David was quite the eager beaver to get up there with Brown and Blair.

"What happened to that ambitious eager beaver who practically begged for his job?"

Fraser is a young eager beaver, a relatively new trial deputy.

If Duncan was in the area, some local eager beaver would get him in his sights.

Nobody asks these eager beavers to ring your doorbell and they have to take then* chances.

So I knew what I looked like, not quite your eager beaver just dying to see his name on the board again.

They are grinding out treaties like so many eager beavers which will have effects on the rights of American citizens.