Wintergender is a xenogender that is similar to blizzgender. They are both cold, snowy, and harsh. However, wintergender can be used as a prefix that encompasses other genders. For example, winterboy would be a gender that is cold, snowy, harsh, and also related to being male or masculine.
History
Freezegender was coined via an uncredited submission to the now-deactivated Tumblr blog mogai-archive on or before August 25, 2014.[1]