Baidu Encyclopedia:
20 1 1 Network terms that became popular at the end of the year. Meaning: girl
Mushroom cooling is the spoken language of girls. At the same time, due to the limitation of dialect pronunciation in some places (such as Xuzhou and Anhui), the sound of "Niang" will become "cool", so girls can be called "mushroom cool" again.
Baidu knows: What does mushroom cool mean?
Personal:
I checked the web pages in Taiwan Province Province, and most of the links are in simplified Chinese characters, which shows that "Mushroom Cool" did not originate in Taiwan Province Province.
As for "Taiwan Province mushroom cool", it means "Taiwan Province girl", but we seldom use the word "girl", mostly "girl", "girl" and "woman".