Rubrafluid
Rubrafluid is a xenogender identity in which one's gender is fluid and settles down at night, but rises in the day. It is associated with the color red, and fire.
History
Rubrafluid was coined on February 10th, 2020, by Tumblr user genderbouais[1], alongside roseusboy, chalkyfluid, caeruleusfluid, purpureusfluid, formicaefluid, aurantiusfluid, glacierebaonic, solusia, and ancientus.
Flag
The rubrafluid flag was created on February 10th, 2020, by Tumblr user genderbouais.[1]