Why do you have a square in your pocket?
I do not have a square in my pocket.
You have a square in your pocket.
I do not have a square in my pocket.
Why do you have a square in your pocket?
I most definitely do not have a square in my pocket.
You are most likely a kid/"tween" if you find this funny. I don't know why, but the sense of humor in that range makes everything that's extremely awkward seem funny. Most adults don't have the same sense of humor that we do, so be proud of you find this funny. It's not actually funny though.