Ergender

Ergender is a gender that is a little bit boy, a little bit girl, a little bit non-binary, and the rest of one's gender is something else.

History
Ergender was coined on or before June 12, 2018 by Tumblr user arigenderdefender.

Flag
The flag was created on or before June 12, 2018 by DeviantArt user Technologyfurs. Pinkish represents femaleness, blue represents maleness, neon blue represents non-binary, and dark blue represents a primordial soup of gender (the something else one may experience).