Meaning: To be reasonable; to be mature; to have common sense.

Examples:

In order to be president you have to have a good head on your shoulders.

I don’t worry about my daughter because she has a good head on her shoulders.

He used to do crazy stuff but now he has a good head on his shoulders.

Pop Quiz:

A person with a good head on his or her shoulders…

A.  is responsible.

B.  thinks before acting.

C.  does foolish things all the time.

To see the correct answer, click on “Continue reading”:

The correct answer is A and B. If you have a good head on your shoulders, you are responsible and you think before doing something – but you don’t do foolish things all the time (maybe just once in a blue moon).