game-changing 

impacting the course or outcome of events through the actions of an individual. positively connotated.

"With outstanding intelligence, wit and guts Kristof invented game-changing moves that left a mark on modern socializing forever.

game-changing by Krkič July 8, 2019

Gamefreaks 

Kids who sit on their asses and play video games usually gamefreaks are teenagers 13-19 they tell swear words and slurs they also fucking act like idiots usually gamefreaks are named Sean

Sean 1 Fuck you asshole

Sean 2 Get rekt

Sean 1 What you fucking faggot

Sean 2 Bitch eat shit

Sean 1 and Sean 2 together Get rekt you stupid faggots

John You gamefreaks what the hell is wrong with you

Gamefreaks by Boogereater69 December 7, 2020

GameFlux 

GameFlux is a well-known member of the Hypixel SkyBlock community, who plays way too fucking much of this shitty game. Currently in the #1 SkyBlock guild known as Flexing Chimps #FC ON TOP!!! OO AA. He's also staff in several SkyBlock related discords. How cool?!

GameFlux is a Hypixel SkyBlock tryhard.

GameFlux by 2enfgee February 10, 2021

gameer

A gameer is a more powerful version of a gamer. While gamers are simply gaming when they play video games, gameers are gameing when they play games. Though, it is said that non-gameers can still be gameing if they play a gamee.

Guy 1: Hello. I'm a gamer. Want to play some video games?
Guy 2: Sorry, I'm a gameer, not a gamer. I would just beat you every time.
Guy 1: True, that's fine.

gameer by rtxmorshu March 16, 2021

Game Jolt 

A social media for game developers and artists!

A: I wanna join Game Jolt!
*logins*

Game Jolt by RedShadow_ May 24, 2021

gamadan 

Egyptian slang for “cool” or “badass”.

- That guy’s outfit is gamadan.
= ikr !

gamadan by seiflemonzz September 25, 2021

gameboy color 

a very classic console with color so i can be a jerk to the color designers yay

guy 1: wanna play gameboy color
guy 2:no its not multiplayer
guy 1;oh yeah

gameboy color by YOUFART December 14, 2021