Lightninggender, also known as Flashgender, is a term coined by Scratch user ReversedServers. It means that one experiences small, seemingly random flashes of their gender. Depending on if they feel feminine, masculine, or androgynous, it subdivides into Lightningfem, Lightningmasc, and Lightningneu.
Lightningfem
Lightningfem is a subset of Lightninggender meaning that one's gender comes in at random flashes and has some connection to femininity.
Lightningmasc
Lightningmasc is a subset of Lightninggender meaning that one's gender comes in at random flashes, and has some connection to masculinity.
Lightningneu
Lightningneu is a subset of Lightninggender meaning that one's gender comes in at random flashes and has some connection to neutrality.