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".
by iamthemayor March 21, 2010

Stands for: Gold Mystery Box, in the PlayFish game, PET SOCIETY.
It's worth 500 Pet Society coins, and is commonly used in various trading forums as currency, for buying items.
It's worth 500 Pet Society coins, and is commonly used in various trading forums as currency, for buying items.
by urulokei January 27, 2009

Person #1: Well you're on the schedule to work 1-5.
Person #2: I understand that but it's dead and the last table i had was at 2. And Whimsy is here 'cause her shift started at 4.
Person #1: But you have to stay until 5.
Person #2: GMB!
Person #2: I understand that but it's dead and the last table i had was at 2. And Whimsy is here 'cause her shift started at 4.
Person #1: But you have to stay until 5.
Person #2: GMB!
by ClassMart35 March 16, 2009

GMB abbr for Good Morning Bitch.Good morning greeting between two gay men, who are too fucking lazy to type Good Morning Bitch. You can also substitute the M for an A for afternoon, E for evening and N for night. Sometimes you can throw a W at the end for Whore
by Chino UA October 3, 2021

by G M B October 3, 2022

Typically used when shouting out someone on socially media and means “get me back” when doing a shout for shoutout to follow them back
by Blxsian May 29, 2019
