Roundshort scratches his head and tries to think of the joke which he last heard in 4th grade, and his memory is not so good. . .well here it goes
(remember this is elemtery school humor here)
well these guys wanted to win the grand prize at a county fair, for havign the largest *mammoth* and they were trying to figure out how to raise the largest mammth, so they come up with a very fatting diet, butt he *mammoth* is not getting fat enough, so one guy coems up with the idea of using a very large cork in one end of the *mammoth* . . . .