sweetmotheroffrothygoodnessthatsbadnewsforbud.com: I saw this URL on a Miller Lite ad. It actually resolves. Sadly, it redirects, so you’ll never see it in the address bar.
http://www.johnkerryisadouchebagbutimvotingforhimanyway.com/ There you go. (I don't want to vote for either of them.)
http://flaphead.dns2go.com/blog/posts/177.aspx Look in that post. Longest RSS feed URLs I have ever seen.
Sadly, the "sweetmother..." link no longer seems to resolve.