Vampiregender is a mythologender related to vampires. It can be used by itself, but is also an umbrella term, as many subsets have been created to suit specific binary genders and different perceptions of a vampiric gender. It is typically referred to as an aesthetigender, but can also be referred to as a noungender or even a neurogender. It can also be deemed a category of gender, as many subsets of it have been created to suit specific binary genders/different perceptions of a "vampiric" gender. It may also be a kingender, although this is not always the case.
Flag and definition from Mogai Genders Wiki