Source: Grumpy cat goes to the vets... - Imgur
Stashed in: Lolcats!
I'm addicted to Grumpy Cat.
Best Grumpy Cat images: http://pandawhale.com/convo/8014/best-grumpy-cat-gifs
Grumpy Cats do not belong in muffin tins.
Grumpy Cat likes Halloween Pumpkins.
See also: Grumpy Cat Christmas
And: The very best Grumpy Cat gifs
Mom cat accidentally scaring kittens gif
Snoopybabe, A Little Cat With Big Sad Eyes
Smart cat knows which cup the ball is under.
Why the fuck wasn't Grumpy Cat called Sourpuss?