Group Slut Fic
|Synonyms:||GSF, Group Sex Fic, Group Slash Fic|
|See also:||OT3, OT4, Gateroom Orgy, Polyfic|
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When it was first used in popslash, it didn't necessarily mean group sex; often it just marked stories where many members of the band had sex over the course of the story. lovelypoet says, "I don't remember exactly who's story it was that first described itself as GSF, but it was popslash, with either Justin sleeping with every member of Nysnc while Lance pined for him... or vice versa." 
GSF indicates that the romantic or sexual grouping in a story consists of three or more members of the band or team. The term does not necessarily indicate that the protagonists are sleeping around or swinging, and may be used to refer to a polyfidelitous relationship in which all partners within the relationship have sex only with one another.
- lovelypoet's lj, 2009-03-20, "Various Fandomy type things"
- Temporary Insanity via Wayback, 04 September 2001. (Accessed 04 September 2009)