mad shit - Mad shit is when your stomach is screaming ‘LET ME OUT!’ and

Mad shit is when your stomach is screaming ‘LET ME OUT!’ and your brain is like ‘YES, LET THEM OUT!’

I had mad shit at breakfast. I ran out of the house like it was on fire.

I had mad shit during math class. I had to go to the bathroom and my teacher was mad.

I had mad shit in the car. My dad was so mad he yelled at the radio.