Jack and a half
When you're so tired of everything that you're willing to go above and beyond just to make it stop.
This is a jack and a half. I've been working for 12 hours straight, and I'm not even done yet.
He did a jack and a half on that test. He even brought a calculator to a math class.
That meeting was a jack and a half. I just wanted it to end so I could go home and eat pizza.