Nimbungender

 is a xenogender and subset of bungender that is connected or related to bunnies/rabbits and clouds and cloud-related aesthetics. It may also be a kingender but does not have to be.

Etymology
The term uses the prefix "nimb", a shortening of "nimbus", which is a type of cloud, followed by the suffix "bungender".

Definitions

 * A gender relating to bunnies/rabbits and clouds. The term is for anyone who feels a gendered connection to bunnies/rabbits, clouds, and their aesthetics, including bunnykin/rabbitkin (but non-bunnykin/rabbitkin can use it too.) - Mysticsnowstorm, 2021

History
Nimbungender was coined on May 5th, 2021 on the Tumblr blog mysticsnowstorm.

Flags
The flag has five horizontal stripes that are equal in size. From top to bottom, the colors are brown, grey, white, teal, and orange.