Whippersnapper

Get off my lawn, you young whippersnapper!

Come back here, you young whippersnapper!

Tom's grandfather called him a young whippersnapper.

And who's this young whippersnapper!

These whippersnappers have never had to walk far or carry water.

"Throw me a nine iron Fatman, I want to make sure of getting inside you young whippersnappers."

Eisenhower thought that the President-elect, his junior by over 25 years, was merely a "young whippersnapper."