get/have your knickers in a twist
get your knickers in a twistBRITISH, INFORMAL
If someone gets their knickers in a twist, they become very upset or worried about something. He'll get a nasty shock, but he's not the first one, and he won't be the last, so why get our knickers in a twist? Let's not get our knickers in a twist until we see the outcome of those games. Note: You can also say that someone has their knickers in a twist. So why do these MPs have their knickers in a twist? Note: This expression is often used to show that you think that someone is more upset than is reasonable.
get your knickers in a twistbecome upset or angry. British informal
This expression was originally used specifically of women, the humorous masculine equivalent being get your Y-fronts in a twist .
1998 Times I'm not as anxious as I was…Most things these days, I'm really not going to get my knickers in a twist about.