Demifaesari is when ones gender is partially neutral with a strong connection to femininity, but not wholly. One may or may not identify as another gender in addition to being partially a boy. The other part of one's gender can be any gender or combination of genders, including a lack of gender.
History
The term demifaesari and its flag was coined by beyond-mogai-pride-flags on Tumblr, November 18th 2018. The flag is a combination of the faesari flag and the demigender flag.