Demigenderflux is a combination of demigender, and genderflux. It's a term for when ones some connection to a given gender, but one's gender also fluctuates. For example, at their most neutral, they feel like they are deminonbinary, at other times they may experience other genders.
Demigenderflux can be used as an umbrella term for terms such as demiboyflux and demigirlflux, or it can be interpreted as the non-binary equivalent of those terms.]]