Acidgender is a sciencegender defined as "a gender that feels like if you were to express it, it would have negative effects on you. similar to touching acid"1
Yellow and green - signifies attraction to enbies (those without a gender)/gender neutrality. the yellow is from the nonbinary flag, while the green is from the agender flag.
Gray and black - signifies attraction to people with no connection to gender.
Apigender is a kingender defined as "a gender that feels soft and vibrates with differing intensities. Feels sticky, fuzzy and soft. Giving vibes of what honey tastes like. Based on the scientific genus Apis meaning bee. It can be used by anyone but has beekin in mind."1
Arsenogender is a fancy way of saying you have no idea what you're talking about defined as "a masculine gender that has been altered or affected by toxic masculinity in some way. It can make the individual with the gender feel conflicting feelings about their maleness and/or masculinity, or feel that they no longer feel a connection to the masculine parts of their identity because of how toxic masculinity has affected them. Arsen- is a Greek root meaning "male", and it is also the etymological origin of arsenic, which is toxic."1
Astrogender is a xenogender defined as "an amplusgender (fluid/flux/liquid) for when gender spectrum is seen from a galactic perspective; feeling like an astronaut navigating through potential genders that could be inhabited or not.1 "
Austspigender is a fictigender defined as "a quadragender that shifts based on who you share the grey quadrant with (whether facilitator or other member of the facilitated)."1 Homestuck-related.
Autistisexual was coined on August 28, 2018 by tumblr user mischief-wolf-and-autism via beyond-mogai-pride-flags. The flag was created at the same time.2