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twincest fanfiction

A slash fanfiction involving twins in a romantic and/or sexual relationship. Many fans find this an abomination.
Some Noteworthy Categories of Twincest Fanfiction:
Fred and George from Harry Potter.

Rin and Yukio from Blue Exorcist.
by SilawenGreenleaf June 29, 2011
mugGet the twincest fanfictionmug.

Twincest

An incest between twins!
Ex:
Wow, Michael and Matthew are twincest GOALS!
by BobbySmallGland November 17, 2018
mugGet the Twincestmug.

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