Lethargigender is an aesthetigender that is very sluggish and lethargic. It can move from gender to gender and/or fluctuate, but it seems like it takes forever. The opposite of lethargigender is energigender.
History
Lethargigender and its flag were created on July 11, 2018 by Tumblr user Gayglitch.[1] According to the coining post's URL, lethargigender was at some point called hypogender, either in place of or in addition to its current name, but is no longer referred to using this term.