Genderghost is defined as when one's gender is best described as “ghost.” It can when one's gender is ghostly/dead/etc. One's gender may also be related to or affected by one being ghostkin. One's gender may also be aesthetically related to ghosts, or one's gender can otherwise be described with “ghost.”
History
Genderghost and the flag originated on the discord server for r/lgballt on November 24, 2020. It was created by a user who wishes to remain anonymous.