Keep (your) shirt on!

British, American & Australian, informal, 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.

• have no time to lose
• have no truck with
• have no truck with someone
• have no truck with something
• have no use for
• have no use for someone
• have no use for something
• haven't lived
• haven't lived until
• haven't lived until something
• haven't seen hide nor hair of
• haven't seen hide nor hair of someone
• haven't seen hide nor hair of something
• have number
• have off pat
• have on a short leash
• have on a string
• have on a tight leash
• have one eye on
• have one eye on someone
• rooted to the spot
• root for
• root for someone
• root for something
• root out