Voidcollector (or voidhoarder) is a subset of gendercollector for those who primarily collect genders that are related to a void/abyss/black hole or the feeling of one's gender being a void/abyss/black hole. This includes genders such as voidic, keingender, gendervoid, galaxitian, etc.
The agender equivalent is vulturehoarder.
The term was coined by FANDOM user AndleRandle on September 30, 2021. It was coined through this page and has no outside sources. The flags were created by the same user on the same day.