Horrorcosmium is a xenogender that is influence by cosmic horror. It is indescribable due to having no recognizable geometric shape or form. It is characterized as being unable to be fully known and the contents of the gender often include dread and confusion for people who struggle to understand it. This dread often comes from trying to question it.
Horrorcosmium can be used as a questioning gender however that is not all it is. It is often used by neurodivergent individuals although it is not exclusive.
History
The term was coined in 2020 by Wulfgangs on Tumblr.
Sources
https://wulfgangs.tumblr.com/post/622915804753690624/horrorcosmium-a-new-xenogender-mogai-influenced