A work of fiction (especially fanfiction) based on celebrities or fictional characters involved in a romantic and/or sexual relationship, especially where the sexual orientation of a (usually straight) canonical character has been changed.
Wiktionary
Other Word Forms of Slash-fiction
Noun
Singular:
slash-fiction
Plural:
slash-fictions
Origin of Slash-fiction
From slash + fiction, from the use of the slash symbol (/) to separate the names or initials of the characters or persons involved.
