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.
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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.
BONUS: Oscar the Grouch vs. Grumpy Cat