1. A type of "what if" fanfic where
one (or more) of the characters is the opposite gender from canon but otherwise has the same personality and back-story. This can either happen as a part
of the plot, or simply be a given. Most often it is a male character that
is turned female
, in which he is referred to as femme!character
or girl!character. The female
equivalent is male!character.
2. Fanart where
the character is the opposite gender from canon.
3. Partial genderswitch happens almost
exclusively to male characters, when they, as part
of the plot, gain some female parts
(boobs, vagina, womb) but also retain some
4. One of the devices used
M-preg somewhat plausible.
5. A hell of a lot of fun to write.