Demibigenderflux combines the concepts of demigender (partially identifying with a gender), bigender (identifying with two genders), and genderflux (identifying with a gender which fluctuates in intensity). It is similar to demigenderflux, bidemigender, and bigenderflux. It could be described as someone who is partially, but not fully, bigenderflux. Someone who identifies as demibigenderflux experiences two genders, both of which fluctuate in intensity, between agender and demigender. In other words, a demibigenderflux individual experiences two gender identities, each fluctuating in intensity, up to partially identifying with that gender identity. For example, identifying as both demigirlflux and demiboyflux. These two gender identities could be experienced at the same time, or fluidly. It is also important to note that demibigenderflux people may feel like agender or libragender most of the time, not usually identifying with any demigenders. This label describes the maximum intensities that a person's genders are experienced at, but those genders will not always be at that maximum intensity.
There is another definition for this term: A demibigenderflux individual could also possibly mean someone who has two parts to their identity; one of which is bigenderflux, and the other which is constant (not fluid or fluctuating).
Resources
https://archive.today/https://www.deviantart.com/pride-flags/art/Demibigenderflux-2-870952138