What is a birdie in golf?

Category: Rules of the Game
Golf birdie - one under par

Clue

In the 19th century, the term "bird" was the equivalent of "cool" or "excellent".

Answer

A birdie is a score of one under par.

More about the birdie

A birdie, for example, is when a golfer is playing a par 5 hole and a he or she plays the hole in 4 shots - 1 less than the par of 5.

On average, tour players are making birdies roughly 15-25% of the time.