Mala copa
Mexican slang for someone who can't handle their drink
Refers to someone who becomes aggressive or overly emotional when they drink.
No invites a Pablo, es bien mala copa.
Don't invite Pablo, he can't handle drinking.
Después de tres copas, se pone mala copa.
After three drinks, he get's negatively drunk.
Ella es bien mala copa, siempre termina llorando.
She can't handle drinking, she always ends up crying.