Ugdrogynous
Someone who presents themselves as incorporating elements of both genders but (rather than looking like Bowie) gets it wrong. Very very wrong.
'Travis, I think your ugdrogynous roommate is stealing my underwear again.'
'Don't worry Sally, I'll have a word with him once he gets back from larping.'
'Don't worry Sally, I'll have a word with him once he gets back from larping.'