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2.
a girl who is 1337 pwnage at wow
damn carlos your sister is a master gamer
by Mat jonstone November 23, 2007
 
1.
A person who is the exact opposite of what is stated, They are in fact FailGamer, only that name was taken lol.
person 1: Damn that's the 10th game over...
person 2: Dude your such a MasterGamer!
by halfway2hell April 18, 2011