lolcat

noun2

1. •
   (Internet, old-fashioned) An image macro of, usually, a kitten or a cat with a humorous caption.

   • I had heard of Caturday when I wrote the piece, but I’d understood that it was a proto-lolcats practice that was different from the actual lolcats meme. — 2007
2. •
   (Internet) The deliberately misspelled and grammatically quirky form of English associated with such images' captions.