Keep shirt on!

Keep your shirt on!

(British, American & Australian informal) also Keep your hair on! (British & Australian informal)

a slightly impolite way of telling someone who is angry to try to be calm and patient Keep your shirt on! I'll be with you in a second.

Name	Pronounced	Usage
Rian	RIE-ən	English
Tim	TIM (English, German, Dutch, Slovene)	English, German, Dutch, Slovene, Swedish, Norwegian, Danish
Yonca	-	Turkish
Balls	[bɔ:ls]
MiŁOgost	mee-WAW-gawst	Polish (Rare)
Alfeo	ahl-FE-o	Italian