Little Johnny was sitting in the courtyard turning a bottle of liquid back and forth, watching the bubbles.

The Priest walked up and asked him what he was doing?

Little Johnny replied, "I'm looking at the most powerful liquid in the world."

The Priest said, "But Johnny, Holy Water is the most powerful liquid in the world.  Did you know that if you put Holy Water on a pregnant woman's belly, she will pass a boy!"

Little Johnny said, "Big deal!  This is turpentine.  If you put this on a cat's ass, he'll pass a Harley Davidson..."