Glittergender is an Aesthetigender defined as "a xenogender related to glitter." It can also be defined as a gender that feels glittery or it feels as if it is glittering.
Similar terms include: Sparklegender and Shinygender.
History
Glittergender was coined on February 1, 2019 by 'hi' via Beyond-Mogai-Pride-Flags.[1]
Flag
The Glittergender flag was designed by Tumblr blog Beyond-Mogai-Pride-Flags at the same time of coining.