Billiogender is a xenogender that is a subset of Mathgender. It is an experience in which one feels as though they have, experience, or encompass a billion genders. It is similar to Centilliogender, Milliogender, Kilogender, Platilligender, Trilligender, and Zilliogender. It may also be considered a subset to pangender.
History
Billiogender was coined on July 31, 2018 by tumblr user arco-plurish.