What are girlfriends and Dili?

It comes from a joke about "girlfriends and Dilraba" in Tik Tok.

In this joke, my best friend and Dilraba are described as two people who love each other very much, and the affection between my best friend and Dilraba is very deep. This joke was made into a song by some users and accompanied by a dance, which was widely spread on Tik Tok. Although this joke has passed for some time, some users will still mention it to express their love for girlfriends and Dilraba. This stalk also reflects the attention and pursuit of users for emotion, friendship and love.