gay friends, broadly speaking, refers to friends with good relationships (such as good brothers, buddies, best friends, comrades-in-arms, game teammates, and netizens). It is not limited to men or women. Girls can also call each other gay friends, and men and women can also call each other gay friends. The word "gay friends" originally meant the relationship between gay men, which developed from various aspects, such as stirring up gay people and making gay people, that is, mutual gay friends. In real life, most of gay friends's sexual orientation is heterosexual. ACG circles usually refer to gay friends as a friend who met online, didn't know each other's real identity, played games and watched cartoons together, and usually met through post bars, QQ or Acfun and Bilibili's vomit barrage. Gay friends's sexual orientation in ACG is mostly heterosexual.