let one's hair down

They are also, of course, a perfectly valid excuse to let one's hair down and relax after the physical demands of yet another year's hard labour.

So many popular expressions maintain that the family is the place where one can 'be oneself', where one can 'let one's hair down' and so on.

A feisty poppy red Mustang was a car to be seen in - riding one with the top down was the automotive equivalent of letting one's hair down.

They are also, of course, a perfectly valid excuse to let one's hair down and relax after the physical demands of yet another year's hard labour.

So many popular expressions maintain that the family is the place where one can 'be oneself', where one can 'let one's hair down' and so on.

A feisty poppy red Mustang was a car to be seen in - riding one with the top down was the automotive equivalent of letting one's hair down.