Themisbigender is a term under the themisgender umbrella which refers to an individual who feels 1-49% bigender but without the agender feeling that libragender individuals experience.
History
This term was coined by Twitter user stickandst0n3s on December 28th, 2021.[1]
Flag
The flags were both created by Twitter user stickandst0n3s on December 28th, 2021. They have no confirmed meanings.