Caviagender

 is a faunagender connected to, influenced by, or comparable to guinea pigs in some way.

Definitions

 * caviagender: a gender related/connected to guinea pigs; a guinea pig-like gender; a gender influenced by or comparable to guinea pigs in some way - neopronouns, 2021

History
Caviagender and its flag was coined on July 7, 2021 by Tumblr user neopronouns.