Grumpy Cat Vine Videos Reveal Playful Side of Sour Puss

Don't end up on Grumpy Cat's bad side — she'll chomp on your hand, and enjoy it.

Grumpy Cat's prickly expression made her an Internet superstar, but we don't often see the famous kitty doing more than sitting like a grouch on a log. Now, thanks to a few new Vine videos, we can see a new, more fun side of Grumpy

The short videos, uploaded Wednesday, show Grumpy Cat playfully nibbling on string and a hand.

The cantankerous feline currently has 18,800 followers on Vine — compare that to nearly 3 million Facebook fans — so hopefully the new videos will be two of many six-second clips shared to boost Grumpy's presence on the mobile app.