Here are a couple of puerile contributions, updated to be more current than when I first heard them:
Hillary Clinton is getting ready to accept the 2008 Democratic nomination. She’s silently going over her speech while the stylists do her hair, nails, and makeup. Finally all is ready.
“OK, Senator, you’re all finished!”
“What? Oh, yes. Would you shave my pubes, please?”
“Excuse me?”
“Shave my pubes.”
“Um . . . OK, Senator.” So they shave her pubes, then she gets dressed and goes out to accept the nomination.
“Hello, my fellow Democrats!” she says. “I’d like to thank you all so much for nominating me. I’ve only got one thing to say, and I think it’s something we all can be very happy about.” She pulls down her skirt: “NO MORE BUSH!”
President Bush is trying to convince Congress to let him invade Iraq. He goes before the House of Representatives to give a speech.
“Now before I say what I’m goin’ to say, I’d like to give you all a little demonstration,” says Bush. He walks over to the side of the chamber, where there’s a bust of George Washington. He presses a button on the back of the statue, and it opens up to reveal a big wooden box. He opens the box, and inside is a large, live snapping turtle.
Now Bush faces the Representatives, unzips his pants, and takes out his dick. He holds the snapping turtle and pokes it in the eye, causing it to snap onto his dick. Then, grimacing, the President slowly walks around the perimeter of the House chamber, hands on hips, the snapping turtle dangling from his crotch. When he gets back to the bust of Washington, he pokes the turtle in the eye again and it releases him. He puts his dick back in his pants and the snapping turtle back in the box.
“Now I just want to know,” says Bush, “whether any of you is man enough to do that.” Tom DeLay stands up.
“I’ll do it, Mr. President–just as long as you don’t poke me in the eye.”