Lungender

 is a multigender where one is both nonbinary and agender, either simultaneously, or fluctuating between them. For those who fluctuate, one gives both genders different terminology or "petnames".

Pronunciation

 * LOON-jen-der

Definitions
"This is the official lungender flag, it's used by those who are agender and non-binary."

- @inclsv_flag_otd, 2 October, 2021 or earlier

""A gender identity where someone feels as if they are both agender and non-binary. This could be at the same time or fluctuating. If a lungender person's experience of gender fluctuates between agender and non-binary, they have different terms or petnames for their identities.""

- tr-ee, 23 July, 2021