T4R
It's a website with only a cat having a loaf of bread as the body and that's basically it. What's the site name? Also, the cat is animated and runs through the screen with dozens of other cats.
UPDATE: It's like the gif given in the OP, except with a cat!
UPDATE 2: Yuno what guise.. I'm starting to think it's the bread fish, not a cat body.. Let it die now!
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I am reminded of baker cat, but i'm pretty sure that's not right...