"Why Do You Stir That Pot?" joke
Shortly after his spaceship landed on the moon, the astronaut debarked and began exploring the strange new terrain. He had walked for only fifteen minutes when he came upon a lovely young moon girl, who was busily stirring an empty pot with a stick.
"Hi," he said, introducing himself, "I'm an astronaut here to discover things about the moon."
The moon girl stopped stirring long enough to throw him quite a pleasant smile. "How nice it is that you are formed just like our moon men," she observed. Throwing off her clothes, she asked, "And am I structured as are earth women?"
"Yes, you are," answered the now-excited astronaut. "But tell me, why do you stir that pot?"
"I'm making a baby," she said. And sure enough, a few minutes later, a baby appeared in the pot.
"Now would you like to see how we make babies on earth?" asked the astronaut. The girl agreed and the astronaut proceeded with his passionate demonstration.
"That was enjoyable," she said afterward, "but where is the baby?"
"Oh, that takes nine months," explained the astronaut.
"Nine months?" she asked. "Then why did you stop stirring?"
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