I'm gonna kill myself - You're so angry or annoyed, you're ready to rip your hair ou

You're so angry or annoyed, you're ready to rip your hair out or throw your phone at the wall. Sometimes it’s just a dramatic way to say you’re done.

My teacher gave me a pop quiz and I failed. I'm gonna kill myself.

My friend said my joke was the worst ever. I'm gonna kill myself.

I got grounded for eating my homework. I'm gonna kill myself.