keep your hair on

US /kiːp jʊər hɛər ɒn/
UK /kiːp jʊər hɛər ɒn/
"keep your hair on" picture
1.

bertenang, jangan marah

used to tell someone to calm down and not get angry or upset

:
Just keep your hair on, there's no need to get so worked up.
Bertenanglah, tak perlu terlalu marah.
Hey, keep your hair on! It was just a joke.
Hei, tenanglah! Itu cuma gurauan.