GitHub is a website popular with programmers because they can publish their programs there and work with other people on the internet to help make the code even better. One feature is that people can fork code, which means that they can essentially copy the code and make whatever changes to it that they want without editing the actual code. It's kind of like a group project where people can do whatever they want.
A Mythical Creature That Haunts Small Children In Their Dreams. It Glides Around Stealing Rupees and Stroking Children's Chins (Granting Them Good Luck)
Gregg: Hey Sally, You Heard 'Bout That Guy..Githrand?
Sally: Yeah, He Stroked My Chin Last Night..Got A Pony The Next Day.
Gregg: Serious? A Pony? All I Got Was A Cure For My Cancer..That Guy Is So Selfish.
A GitHub user with a furry profile picture, typically a member of the LBGTQ+ community, also typically a Reddit mod and/or Discord user, who may also be very politically correct and/or well versed in "woke" ideology.
Boomer: All those darn GitHub furries turning people gay.
GitHub furry: UwU femboy nya~