be in a snit
To be angry, agitated, or irritated. John is always in a snit with his girlfriend over the silliest things. Don't be in a snit with me, I was trying to be helpful!
be in a ˈsnit
(American English) be bad-tempered and refuse to speak to anybody for a time because you are angry about something: She was in quite a snit. Hope it wasn’t something I said.What are you in such a snit about?