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2.
A person who has a compulsive need to play video games.

-Hey Tim, you brother is such a gameaholic.
-How's that.
-The minute he saw that I had Guitar Hero he was all over it.
by R3aper July 27, 2008
 
1.
one who games constantly
yo isnt ur roomate charlie a gameaholic?
by bob dole25 December 11, 2007