Bigeninic refers to the attraction to bigender people.This would be the attraction to those who have two genders, whether both at once, or fluid between them. One may have a preference for fluid bigender individuals, or static bigender individuals, however they may also be fine with both.
See also: multigenic, paninic
History
Bigeninic was coined by beyond-mogai-pride-flags on Tumblr on August 7, 2018.[1]
Flag
The flag was coined by beyond-mogai-pride-flags on Tumblr on August 7, 2018. It has no confirmed meaning.