Kellergender is a Xenogender and an Aromagender that feels like the smell of a basement (dusty, stone-like etc.).
It might feels Masculine, Feminine, Androgyne, Neutral or something else, but that is not required.
History
The Term was coined on May 16th 2021 by FANDOM user Bean.Venus. The flag was designed the same day by FANDOM user Reign of the breadsticcs.
"Keller“ in German means Basement, so "kellergender“ literally means "basementgender“.