Hoenngender is a gender for when your gender is strongly influenced by or is connected to the Pokemon region Hoenn, Pokemon from Hoenn, characters from Hoenn or the story of the generation 3 games, due to neurodivergency.
The flag is said to have been inspired by the Hoenn Gym Leaders.
Similar terms include Kantogender, Johtogender, Sinnohgender, Unovagender, Kalosgender, Alolagender and Galargender.
History
Hoenngender was coined on December 13, 2020 by twitter user miracIemask. The flag was created at the same time.[1]