Expand jokes

You’re so lame, you don’t have a superpower!

"Yah, I do!"

Oh yeah? What is it?

"My diaphragm contracts and moves downwards into my chest cavity and my lungs expand!"

That’s breathing, Jim.

"NO IT’S NOT, JACOB, YOU CAN’T PROVE IT!"

Why is my dick like a balloon?

The more you blow it, the bigger it gets.