This guy was walking to the bar and outside there was a sign saying, “Pay a dollar, make the donkey laugh and get a free beer.”

The guy does this and gets his free beer.

The next night the guy sees a different sign.

It reads, pay a dollar make the donkey cry and get a free beer. He does this and gets his free beer.

The barman then asks, How did you do it?

The guy answers, To make the donkey laugh I told him my dick was bigger then his and to make him cry I showed him