Hellgender is a xenogender specifically for demonkin, darkkin, monsterkin, etc, and/or satanists, meaning you feel connected to a gender that cannot be described in mundane terms but only by those in hell.[1]
History
Hellgender was coined on February 27, 2017 by Sapphire Crimson-Claw.
Flag
The flag was coined by Discord user SapphireCCWitch #8454 on December 24th, 2017. It has no confirmed meaning,