I'm going to hell!
A phrase people say when they think they're so bad they might actually end up in Hell, usually after doing something that feels really bad.
He said, 'I'm going to hell!' after he told the entire class his mom was a fake.
She said, 'I'm going to hell!' after she drew on the principal's face.
He yelled, 'I'm going to hell!' after he threw a chair at the teacher.