gender-archival:

Worstwitchgender, also known as Thewitchgender, was coined by Wiki user Dreaming-apples on May 9, 2021.

Worstwitchgender is described as “The worst witch gender maybe
The worst witch is a book,tv show,that gose back to the late 1980’s”

There wasn’t a flag in the original coining post.

Links:
Wiki: https://lgbta.wikia.org/f/p/4400000000000105479 + https://archive.vn/Jjacq