have a cow

US /hæv ə kaʊ/
UK /hæv ə kaʊ/
"have a cow" picture
1.

大騒ぎする, 激怒する, かんしゃくを起こす

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.
私が5分遅れただけで大騒ぎしないで
My mom is going to have a cow when she sees this mess.
この散らかりを見たら、母は大激怒するだろう。