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

1.
melenting, mengamuk, marah besar
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.
Jangan melenting hanya kerana saya lewat lima minit.
•
My mom is going to have a cow when she sees this mess.
Ibu saya akan melenting apabila dia melihat kekacauan ini.