let one's hair down

(redirected from let down one's hair)

let one's hair down

Also, let down one's hair. Drop one's reserve or inhibitions, behave casually or informally, as in Whenever the two sisters get together, they let their hair down and discuss all their problems . This expression alludes to the practice of women taking down their pinned-up long hair only in the privacy of the bedroom. [c. 1900]
See also: down, hair, let
References in periodicals archive ?
For participants, the ceremony is both a time to dress up and a time to let down one's hair.