an acronym for Guy Magnet Girl. a word used to describe a girl who naturally seduces men.

GMG is a Filipino expression which means "Google mo, gago!" It roughly translates to "Google it, you fool" and is an apt response to people who are asking about things where in fact, they can hit Google and do a simple search. Popularized by renowed journalist, poet, and jazz frontman Lourd de Veyra in a graduation speech he delivered in 2012.

Go Mean Green. University of North Texas fans might abbreviate "Go Mean Green" to be represented by a simple GMG.

GMG as in Gagging Mafioso Grabbers

gmg means geeze my god
kind of like oh my god but different...

Good Morning Gaga. May be used instead of the more boring "Good Morning", Especially when addressing a fellow monster.

Roleplay (RP) oriented term. God-Modding Gary-Stu.

AKA

A perfect wannabe MALE character who is the best of the best, strongest of the strong, related to the most powerful or one of those super gorgeous emo vampires that wants no one but everyone wants them....

Yeah...that bullshit.

Counterpart to GMMS (God-Modding Mary-Sue)