This guy/girl set out to play a joke on his cat. I think the idea had to have happened over some pretty pee poor pot, but it is funny nonetheless.

http://www.stuffonmycat.com/This-is-my-cat-Carl/This-is-my-cat-Carl-The-Switch.html

OMG OMG I just laughed my bum off! That was freakin' hilarious!

Clearly, this person doesn't know cats very well. That was such an incredibly bad idea!

LOL that was funny. Poor cat