Definitions by Nyancat/Chuck Norris lover

nyan cat 

Nyan cat is the epitome of annoying. Play it loudly next to friends and watch them suffer. Results may vary from insanity, bleeding from the ears, hysteria, excessive violence and/or painful death.

YOU: I love nyan cat! ::turns on nyan cat::
FRIENDS: AAAAAGGGGHHHH!!!!! ::dies painfully::

nyan cat by Nyancat/Chuck Norris lover May 22, 2011