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1.
How some gamers stay thin.
Consists of playing games until one develops the shakes. then getting up grabbing enough food to allow you to continue playing and heading back to the game.
Said gamer usually only consumes food once per day on this diet.
dude did you hear jake lost 15 pounds last week on the gamer diet!
by that guy that games December 23, 2010
 
2.
A diet consisting of nothing but snack foods, like potato chips or trail mix, and soda or energy drinks. Usually for long or extended periods of gaming such as online tounaments.
John just bought that new Modern Warfare game and decided to go on a Gamer Diet, I havent seen him in a week.
by Kai_Kurai13 January 01, 2010