Bigenderspike
Not to be confused with Bingenderspike.
Bigender Spike, Bigender-spike, or Bigenderspike is a gender identity in which one has two genders that can spike at any given time, simultaneously or otherwise. It can also be described as one having two genderspike identities.
For example, one is normally agender, but occasionally their gender spikes to a feminine gender, spikes to a masculine gender, or both at the same time.