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Region: UK | Usage example: After the audit, the crew let their hair down at the barbecue.

Let your hair down

Meaning

Relax and enjoy oneself.

Usage

Encourages people to be informal or carefree.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Women in earlier times reserved letting their hair down for private moments.

19th-century etiquette references.

Related Idioms

Let your guard down

Relax and stop being defensive.

Caught with your pants down

Surprised while unprepared.

Keep your head down

Avoid drawing attention, especially in difficult situations.

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.