Energigender is an aesthetigender that has a lot of energy and cant seem to stay in one place. It can flit from gender to gender and/or rapidly fluctuate in intensity. The opposite of energigender is lethargigender.
History
Energigender and its flag were created on July 11, 2018 by Tumblr user gayglitch. According to the coining post's URL, energigender was at some point called hypergender, but this was likely changed due to the preexisting gender of the same name.