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similar to gender bender and rule 63, the only difference is that, the two representatives of the character exist in the same universe, and in separate bodies. they most often appear as twins, but may also be because of dimension travel.
i can't wait to see some twin gender fanart, as soon as this term becomes mainstream enough for an artist to know to make some.

twin gender, noun. it's a person with two representations, one who is male, and one who is female. they look almost the same.

for a specific example, pm privatejack, on funnyjunk.
by privatejack May 30, 2018
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