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1 definition by iamthemayor

stands for gold mystery box in pet society, which is really called expensive mystery box but nobody cares. it may contain 999s or junk, but most of the time it contains junks.It was used for trading in pet society forum before playfish fixed the "refresh glitch".
psaddict1:hey what did you get from the gmb?
psaddict2:mayor doll.
by iamthemayor March 21, 2010
25 159