Dustysynthgender

 is a xenogender that is related to sand, beaches, looking through old dusty attics, bright yellows and the Vocaloid characters Kagamine Rin and Len.

Etymology
The term uses the words "fem" and "kit", and the suffix "gender".

Definitions

 * a gender that is related to sand, beaches, looking through old dusty attics, bright yellows and Kagamine Rin and Len - Plush-mogai, 2022

History
Dustysynthgender was coined on the Tumblr blog Plush-mogai on February 2nd, 2022.