The word comes from the song "Dreamers".

According to the query of Kugou Music, the song "Dreamer" is a song written by Yu Zhuo'er and composed and sung by Hailai Amu. It will be released on February 15, 2023.

In the lyrics of Dreamer: Like the eagle that soars into the sky without stopping even when tired, oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo