Frostgender is a xenogender that feels cold and snowy. Frostgender is a xenine gender and cannot be used a prefix for other gender, however freezegender can.
History
Frostgender was coin by the Tumblr blog mogai-archive on or before August 25, 2014[1].
Flag
The flag was created on September 11, 2015 by Pride-Flags on Deviant-Art[2].