Meaning Behave in a free an uninhibited manner. Usually applied to women.
Usage Worldwide.
Example
- Its Sharon's hen party tonight - the girls are really going to let their hair down.
Pronunciation
Idiom
Let your hair down
What does "Let your hair down" mean?
Behave in a free an uninhibited manner. Usually applied to women.
Let your hair down
Britain, 17th century.