1. Shu, an Internet buzzword, (derived from the homophonic pronunciation of "uncle"), is pronounced shǔshǔ (Note: the pronunciation of the word "shu" in the dictionary is only shǔ. According to the pronunciation characteristics of Chinese, in spoken language (pronounced shǔshú), refers to middle-aged men who have a lolita complex, those who like lolita and tend to kidnap and push down lolita.

2. It appeared on the Internet in its early years. Usually appears in "evil" forums related to loli.

3. It first appeared in Japanese comics.