Gayyou is an Internet term that means close friends between men. In English, the English word for gay men is "gay", which has the same pronunciation as "gay" in Cantonese. Therefore, there are Chinese derivatives such as "gay love" and "gay friends" (called "gay guys" in Cantonese). .
At first, the word "gay friend" only refers to gay men, but now it is more inclined to the relationship between male friends who have a good and close relationship. Generally boys will call their friends "gay friends". The word "gay friend" is limited to men, and the origin of the word is not suitable to describe the relationship between girls.
This term is widely used in China’s online world. It refers to those otakus who are single all year round, have no girlfriends, and most of their hobbies are men. It has the meaning of "you look like a gay!" But in fact, these otakus who call themselves gay are not really gay, but they are making fun of themselves.
Extended information:
This word comes from Hong Kong movies in the 1980s. The English "Gay" and the Cantonese "Gay" are homophonic, so the word "Gay" is generally used in subtitles instead. The word "Gay". Later, as the concept of homosexuality spread, the use of the Cantonese word "gay" expanded to all over China.
It is now used in popular Internet terms, usually with a sense of irony or ridicule, and also means that loving good friends discuss together in ACGN circles or topics of interest.
Gay friends are also commonly used on the Internet to refer to friends, which means ambiguity and closer relationships. In a broad sense: it is also used to refer to buddies, buddies, comrades, teammates in competitive games, netizens, and especially good and ambiguous friends.
Reference: Baidu Encyclopedia - Gay Friends