User blog comment:Meyguhmein/Internet deactivation!/@comment-9548103-20120702234614/@comment-26531060-20120705033839

Not fully right. It's an image gif of a cat with a pop tart body flying through space, leaving a rainbow behind and uses the song "Nyanyanyanyanyanyanya!" by the UTAU Momo Momone. Since then, it became one of the most popular memes ever.