Long on hair, short on brains.
More French Proverbs:
Between man and woman there is little difference, but vive la difference.French
Everything passes, everything perishes, everything palls.
French
If your head is made of butter, don't be a baker.
French
A good swordsman is not given to quarrel.
French
Remember that everyone you meet is afraid of something, loves something, and has lost something.
French
There are more thieves than gallows.
French