Genderdox is a mathgender which is described as a paradox, where one has multiple genders yet none or experience emptiness at the same time. This could be due to being pangender and experiencing genders such as nihilgender.
History
Genderdox was coined on or before August 1, 2018 by an unknown user.
Flag
The original flag was created by Pride-Flags on Deviantart, with no confirmed definition on August 1, 2018. The second was created by tumblr user imoga-pride on December 2, 2018, with no confirmed meaning, besides the symbol which is a paradox symbol.