Alterousgender is a term for when you feel as the gender the individuals near you are alterously attracted to, and then when you don't know to who the individual is attracted to or there's no one around you, you feel a gender that's called the base gender.
Alterous can be used as a prefix, ex: alterousboy.
Alterousboy: an individual who's alterousgender and base gender is masc or masc-aligned.
Alterousgirl: an individuals who's alterousgender and base gender is feminine or femenine-aligned.
History
This term was coined by FANDOM users Althewolf and JaidenRoseLmao on the LGBTA wiki the 9th of October, 2021.