The Geminogender is a gender that is usually coupled with another one. To put it simply, Geminogender is when you feel twice the same gender. Most people who use the term "Geminogender" refer themselves as a Male², Female² or any other gender. Most pronouns are just the pronouns of the original gender with an additional "²" a the end.
Flag
The flag was originally created by a Discord user named "Savok", it was then popularized and shared on multiple Discord servers and a french LGBTQ+ Amino.
The stripes being copied twice represent feeling the same but twice.