Mad cause bad - What you say when you’re done being polite and someone is st

What you say when you’re done being polite and someone is still a disaster.

Cousin: 'You’re mad cause bad? You’re the reason I have a headache!'

Boss: 'You’re mad cause bad? You’re like my worst nightmare!'

Stranger: 'You’re mad cause bad? I’m going to get a coffee and never come back.'