Glitchgender is a xenogender in the Techno-gender System in which somebody defines their gender as ill-defined, glitchy, crowded, or static. It's typically used when one knows they have a gender, but it's so confusing and static that it's hard to define it with normal means. It is/can be part of the technogender system.
The first two glitchgender flags were created by anonymous users. The two alternates, based off of a glitchy TV screen, were created by 404 of the FANDOM user Morphodite.
The term was created by rouge-the-bat on tumblr and coined further coined by Morphie and 404 of FANDOM user Morphodite.