What is the funniest joke in the world?

A male deer, it walked faster and faster, and finally became a road (deer)!

There is a duck named Xiao Huang. One day, he was hit by a car. He shouted, "Quack!" From then on, he became a cucumber!

The matchstick suddenly felt itchy, so I reached out to scratch it and burned myself to death.

One day, I fell down with a match and broke my head. I went to the hospital to dress it. It turned into a cotton swab.