Wikipedia has a lot of articles (> 3.7 million). Sometimes, people have funny ideas for redirections / new articles:
Pitbull with Lipstick - redirected to Sarah Palin
The belief that a cosmic jewish zombie who was his own father can make you live forever if you symbolically eat his flesh and telepathically tell him you accept him as your master, so he can remove an evil force from your soul that is present in humanity(Source) - Was a Redirect to Christianity
22.86 Centimetre Nails was a redirect to Nine Inch Nails. Comment: Trent Reznor is not likely to go metric any time soon. :D
Recursive categories - joke page which subcategorized itself
Nooooooooooooooooooooooooooooooooooooooooooooooo[... 200 more ...]ooooooo - a redirect to Darth Vader