A little boy was sitting on the curb with a gallon of turpentine, shaking it up and watching all the bubbles.

A Priest came along and asked the boy what he had.

The boy replied, "This is the most powerful liquid in the world, it's called turpentine."

The Priest said, "No, the most powerful liquid in the world is Holy Water. If you take some Holy Water and rub it on a pregnant women's belly, she'll pass a healthy baby."

The boy replied, "That ain't nothin'. You take some of this turpentine and rub it on a cat's ass and he'll pass a motorcycle!

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There's someone in my head, but it's not not me - Pink Floyd