gender-mixing
something that is not a crime.
The boys of dga were skilled at the art of gender-mixing.
mixed gender
Dick & Pussey
"I didn't realise she was mixed gender until it was too late"
Mixed-Gendered
One who identifies as a mix of two sexes and one gender such as a pan bi or a bi pan thats transgender and per-say gender-fluid or binary also you could look at it as someone who is transsexual and homosexual and cis-gendered.
"Hey i think i might be a mixed-gendered meaning i enjoy like in a split persona i call it split personal and if you want to talk to me corectly just keep in mind theirs always two of me before you, but never more than the reality of the fact their together in appearance and operate differently though the heart what do you think? do you support me?"