let down (one's) hair

(redirected from let down his hair)
Like this video? Subscribe to our free daily email and get a new idiom video every day!

let down (one's) hair

To cease acting formally or conservatively; to let go of one's inhibitions or reservations. Come on, Jim, this is a party! Let down your hair and go a little wild!
See also: down, hair, let
References in periodicals archive ?
While Haynes didn't share any photos from the event, once it was over and he was done hosting, he let down his hair and hopped in a pool, which he did share on the social platform.
"Feel free to ask him if he intends to let down his hair after the wedding and, if the answer is 'yes', feel free to batter him in the press!" ger o e
"We met when Reb Punzel let down his hair." Laurence Paskowitz, Forest Hills, NY
Many point out that, after serving in Afghanistan, he deserves to let down his hair.