madder than a box of cats - This is when someone is so mad they might try to wrestle a b

This is when someone is so mad they might try to wrestle a bear and then blame the bear for it.

My brother was madder than a box of cats when he found out his favorite video game was broken.

The kid got in trouble and started yelling at the principal.

She saw her pet rat eat her lunch and screamed at the rat like it was a criminal.