Enbyflux is a gender in which one is genderflux with a non-binary gender. One may fluctuate between feeling strongly gendered (a gender that is not male or female), to being agender, to being anywhere in between those extremes.
History
It is unknown the exact coining date, however the earliest findable reference is by Tumblr user beyond-mogai-pride-flags on June 19th of 2018.
Flag
The flag was coined by Deviantart user Zatruc-Neigea on June 19th of 2018. It has no confirmed meaning.'
The alternate flag was coined by Wiki user Zer0Rebel4 on November 11th, 2020. It also has no confirmed meaning.
Resources
https://beyond-mogai-pride-flags.tumblr.com/post/175031735715/enbyflux-pride-flag