The word cat muncher refers to someone that eats poor defenseless kittens. Or a noob with a bad temper.
First definition:
omgz0r a cat muncher is trying to get my catz!

Second definition:
person 1 :Do that again and you will be banned from the server!!!!
person 2: zomg dont be such a cat muncher
by Unknown8945646223 February 13, 2008
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