ICanHasCheezburger.com is a blog devoted almost exclusively to funny cat pictures and their captions. Captions usually include some form of phonetic spelling.
Here's one to which I relate quite well:
If you're a cat fan with a sense of humor, it is worth a look.
For Star Wars fans, a similar website exists: http://www.icanhasforce.com/
Thanks to Michelle for telling me about ICanHasForce.com.