(Sent to us as a submission, but posted separately as the term coiner/flag designer wished to remain anonymous)

Wildgender:

A gender metaphorically related to a wild card from uno, it changes often in flashes, and sometimes the change may be unwanted. Sort of fluid but also static.

Reversegender:

A gender that fluctuates between two genders, suddenly. Similar to the reverse card metaphorically.

Uno/cardgender:

Umbrella term for unogenders or genders themed of game cards.