Ithyphalloi

Ithyphalloi is a Hellenist religiogender for AFAB bigender followers of Dionysos. It is inspired the historic dancers by the same name.

Etymology
Named after the Dionysian dancers of the same name. "Ithyphalloi" means "erect phalloi." The term "ithyphalloi" is plural in Greek, but the gender is intended to be singular.

Definition

 * A third gender for afab bigender followers of dionysus in hellenic paganism. - Disneyfan1413, 2020
 * a third gender that designates AFAB bigender individuals who follow Hellenic Paganism, specifically for followers of Dionysus (the Greek god of merriment, insanity and wine, among other things) - idvault, 2020

Coining
The term appears to have been coined, alongside its flag, by LGBTA Wiki user Disneyfan1413 through the wiki on August 4 2020.

What is Hellenic Polytheism, Dionysos, and the Ithyphalloi?
Hellenic Polytheism, also called Hellenismos, is the religion of the Ancient Greeks. Modern practitioners believe in and worship its gods, and may adhere to traditional practices.

Dionysos is one of these gods. He is famously the god of wine, merriment, ecstasy, insanity, defying of norms, and theater. He is also an androgynos god. The Ithyphalloi were dancers employed in his festivals often decorated various phallic imagery.

Disneyfan1413's flag
The flag is simply the bigender flag with a grape leaf emblem on top.