have a cow
US /hæv ə kaʊ/
UK /hæv ə kaʊ/

1.
난리 치다, 화를 내다, 흥분하다
to become very angry, upset, or agitated about something, often over a minor issue
:
•
Don't have a cow just because I'm five minutes late.
내가 5분 늦었다고 난리 치지 마.
•
My mom is going to have a cow when she sees this mess.
엄마가 이 엉망진창을 보면 난리 날 거야.