I don't give a shit - This is the most polite way to tell someone to leave you alo

This is the most polite way to tell someone to leave you alone. It's like saying 'Go away' but with more swearing.

My mom called me. I said, 'I don't give a shit.'

My friend kept texting me. I said, 'I don't give a shit.'

My teacher asked me a question. I said, 'I don't give a shit.'