I’m not really sure, other than these two;

• Ergender: A little bit boy, a little bit girl, a little bit nonbinary, and the rest of your identity is something else.
• Polygender: Having multiple genders; having five (or more) genders.

this is casper! their pronouns are they/them and fae/faer! i wonder how faer day has been. i hope they’ve had a fun, relaxing day! i hope fae got to do something that they enjoyed. is fae excited for the holidays coming up? are they excited or nervous that it’s nearly 2020? i hope fae has a great day and takes care of themselves!

this is aaron! xe uses xe/xem pronouns! xyr does woodwork, that’s neat! what’s xyr favourite thing that xe’s made? xe also plays the guitar, that’s cool! what’s xyr favourite type of music to play? xe likes to draw, what’s xyr favourite medium to use? i hope xe has a great day and takes care of xemself!

this is selwyn! heirs pronouns are he/heir and et/et! et is a demiboy, that’s cool! he likes legend of zelda, that’s also cool! does et have a favourite loz game? who is heirs favourite character? i hope et has a great day and he takes care of etself!

this is finn! she uses she/her, he/him, and it/its pronouns! he likes mysteries and puzzles, that’s cool! does it like to read mystery novels, or watch detective shows? she also likes spooky things and horror and things. does he watch horror movies or play horror games? i hope it has a great day and she takes care of himself!

this is venture! ey uses ey/em pronouns! eir name is pretty damn cool, and so are eir pronouns! ey likes programming, that’s cool! what programming language does ey like to use best? ey also likes to write, and ey especially likes to write stories about knights. that’s pretty cool! i hope ey has a great day and takes care of emself!

genders

• Glacgender: A xenogender thats animalistic and otherworldly with a strong connection to ice. An exemgender.
• Glacegender: A gender that evolves from a connection to cold or ice.
• Dunkelian: A gender related to dusk, days gone by, ice, fog, the moon, coldness, tea, and trees. Feels old to the user and disintegrated and may turn into Börjanine.
• Skymningine: A gender related to the twilight, night, shades of mauve and purple, frozen ponds, water, ice, and cloth. Feels lost and vanished at day, but regains its way in the night.
• Niveusbaonic: A neutral gender somehow connected to snowmen, dead trees, snowfall, ice, icicles. snowflakes, bleakness, the feeling of coldness, warm cocoa, comfortable homes, candles, fireplaces, peace, rebirth, and life. It is fluidflux, and can be connected to the smell of wood burning and evergreens.
• Snowian: A xenic alignment to snow.
• Stratusio: A gender related to stratus clouds, rain, and unclear skies. Feels covered and cold.
• Winternarian: A gender connected to winter. It feels cool and calm, like a wintry morning in December. It can also be connected to the smell of fir trees, the falling snow, and fireplaces.
• Glarogender: When what your gender is depends on the weather: only having/feeling a gender when it is cold. Comes from the word ‘Glace’, French for ice.
• Blizgender: A gender that feels cold, snowy, and harsh.
• Wintergender: Similar to blizgender, but it also encompasses a second gender, or has other known gender qualities to it. A winterboy might experience both a cold, harsh, and snowy gender, but also being male, or having masculine qualities, also for example.
• Frostgender:  A gender that feels cold and snowy.
• Freezegender: Similar to frostgender, but it also encompasses other genders as well, such as a freezegirl experiencing both a cold and snowy gender but also being a female, for example.

pronouns

• ca/car/cro/cryo/cryoself
• flake/flake/flakes/flakeself
• fog/fog/fogself
• fra/frost/fros/fros/frostself
• hail/hail/hailself
• ie/ice/isse/issi/iceself
• mist/mist/mistself
• slee/sleet/sleetself
• sno/sno(w)/sno(w)s/sno(w)self
• snow/snow/snowself
• snow/snowflake/snowflakes/snowflakeself

this is tony! kit’s been thinking of using kit/kits pronouns. kit likes modular origami, that sounds cool! i wonder if kit can tell me how its different from usual origami? kit is a musician, and kit plays the bass and guitar! that’s pretty cool, what’s kits favourite piece? kits favourite band is mother mother, nice! what’s kits favourite mm song? kits favourite game is portal, i haven’t played that but i’m glad kit enjoys it! i hope kit has a great day and takes care of kitself!

this is tony! xe’s been thinking of using xe/xem pronouns. xe likes modular origami, that sounds cool! i wonder if xe can tell me how its different from usual origami? xe is a musician, and xe plays the bass and guitar! that’s pretty cool, what’s xyr favourite piece? xyr favourite band is mother mother, nice! what’s xyr favourite mm song? xyr favourite game is portal, i haven’t played that but i’m glad xe enjoys it! i hope xe has a great day and takes care of xemself!

this is max! his pronouns are he/him and she/her! she likes to switch between the two. his special interests are queer history, and pokemon. does she have a favourite queer historical figure or moment in time? what are his favourite pokemon, and does she have a favourite game? i hope he’s been well and that she’s been taking care of himself!

i’d prefer you not to use postertium, since that was for AXAB. how about postconditum (from latin absconditum, meaning secret or hidden)? 

i suppose the definition would just be “Having a connection to your Assigned Gender At Birth simply by virtue of it being your AGAB.“