Fulmian is a combined gender element from the element system. It is combination of the masculine element, fervian (fire) and the undefined element, ventulian (air), and is represented by the element of lightning. One whose gender element is a combination of masculine and undefined would be fulmian. The noun form of the word is fulmi (ex: I am fulmi).
History
Fulmian was first known to be coined on January 14, 2018, along with the flag[1], but it was likely coined earlier than that on a Google spreadsheet[2].
Flag
The flag's colors are yellow, grey and black -- the colors of lightning in a storm -- with a diamond in the center, representing two triangles together.
Etymology
The word fulmian comes from the Latin word fulmen, meaning "lightning"[3].