Geminogender is a gender in which one feels the same gender twice or a double of the same gender. It can be thought of as being bigender but both genders are the same gender. People who use the term geminogender may refer themselves as male², female² or similar.
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.
Since 2019, they are french communities who celebrates the Geminopride, which is on the 28th of October. As a celebration, people change their profile picture with the flag as a filter for the entire day