slash fiction

noun Slang.
  1. a type or piece of fan fiction involving usually same-sex romantic relationships between fictional characters or famous people, whether or not the romances actually exist: Sherlock Holmes/Dr. Watson slash fiction.Also called slash.

Origin of slash fiction

First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018