Noungender

 is a xenogender best described as being or being like a thing, concept, animal, symbol, etc. It is a very flexible and personable term. Noungenders frequently overlap with aesthetigenders. However, noungenders describe genders as directly being or being like a thing, while aesthetigenders describe genders as having a similar aesthetic or being aesthetically related to something.

Definitions

 * Definition: a gender thats best described by a noun, particularly good for synasthetic people. eg: seagender, a gender best described by the sea. very flexible and personable - branacle's submission to MOGAI-archive, 2014

History
Noungender was coined by a Tumblr user named branacle who submitted the term to MOGAI-archive.