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A blister that forms on the thumb when you play to long. Newbs mostly contract this disorder.
I can't play Halo 3 I have gamer thumb.

I saw this newb with massive gamer thumb.

What a newb, he got gamer thumb.
by Command Sergent Major Romero July 10, 2008

Words related to Gamer thumb

cheese disorder g4tv gamer gamer disorder gamer palm help thumb