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1.
A sexual orientation defining an individual exclusively attracted to fictional characters or beings.
"Sarah will not go out with you, because she is in a serious fictionsexual relationship with Cedric Diggory."
by Balanchmia Killerchina December 23, 2007
 
2.
The serious attraction of fictional, anime, video game characters.
Henry is a fictionsexual who is currently in a relationship with Konota Izumi so don't bother trying to go out with him unless you're 2-D.
by Fanboy708 July 14, 2011