Jonsialfosic

 is a xenogender related to having an extreme attachment to Jonathan Sims from The Magnus Archives. It may also be a gender mostly related to Jonathan Sims, or wanting one's gender to closely resemble or emulate Jon's.

Etymology
The term is uses the prefix "Jonsi", in reference to the character it is based off of, and prefixed by the term "-alfosic" a suffix coined by Tumblr user Pupyzu coming from the word afosíosi, meaning "attachment".

Definitions

 * jonsialfosic: a gender related to having an extreme attachment to jonathan sims from the magnus archives. this can include but is not limited to, a gender mostly related to jonathan sims or one wanting their gender to most closely resemble or emulate jon. - cerealdrinker, 2021

History
Jonsialfosic was coined by Tumblr user cerealdrinker on August 5th, 2021.

Flags
The Jonsialfosic flag was created by its coiner at the same time of coining and has nine symmetrical, horizontal stripes. The first stripe is dark red, the second stripe is thin and gray, the third dark green, the fourth green, the fifth and center stripe is white, the sixth green, the seventh dark green, the eighth thin and gray, and the ninth dark red.