Duocosmic

Duocosmic is a xenogender akin to both galaxies and voids, simultaneously something and nothing, existent and naught.

Definitions

 * a gender that is akin to both galaxies and voids, simultaneously something and nothing, existent and naught - sinewslumber, 2021

History
Duocosmic was coined by sinewslumber on tumblr on December 5th, 2021, along with the flag.