Tommy is at the zoo with his parents and they eventually get to the elephant exhibit. "Mom?" Tommy asks. "What's that thing hanging down on the elephant?" Mom replies, "That's the elephant's trunk." Tommy: "No, that thing hanging down in the back." Mom: "That's the elephant's tail." Tommy: "No, that big, long thing hanging down underneath right in front of his back legs." Mom: "Oh, uh, that...that's nothing." Tommy isn't satisfied with her answer so he goes over to ask his dad. Tommy: "Dad, what's that thing hanging down on the elephant?" Dad: "That's the elephant's trunk." Tommy: "No, that thing hanging down in the back." Dad: "That's the elephant's tail." Tommy: "No, that big, long thing hanging down underneath right in front of his back legs." Dad: "Oh, that? That's the elephant's penis." Tommy looked confused. "When I asked Mom she said it was nothing." Dad broke into a grin and said, "Well, son, I've spoiled that woman..."