A gender that changes depending on the music you're listening to.
"A gender that only exists when you think about it, or is quiet until called to attention. alternatively, feeling genderless until a gender is consciously chosen." (quote from http://nonbinary.wiki/wiki/Genderfluid)
A gender influenced by the gender(s) of the characters you are drawing/writing/roleplaying/etc.
When your gender changes whilst in the presence of an individual to whom you have developed a deep connection for. This could be a romantic attraction, platonic connection, a spiritual affinity or anything similar. A type of Gender fluid.
coined by: crowborn
A gender that changes depending on who you’re in love with. Also a type of Gender fluid.
Mirror gender is a gender identity describing someone whose gender has a tendency to mirror that of the people around them.
Other examples covered elsewhere
Corugender (on the Neurogender page)