Madder than a wet hen
It’s like when you step on a chicken during a thunderstorm. That’s how mad you are. This phrase is used by people who think they invented the word ‘mad’ and also think they’re the only ones who use it.
I was madder than a wet hen when my dog peed on my brand-new shoes.
He was madder than a wet hen when his brother took his last bagel.
She was madder than a wet hen when her kid used her phone to play games all night.