Slash

Slash, written "/", is a punctuation character that is used to separate two items in a list (much like the comma). British English calls it a "stroke".

Of course, there are other uses of the term on All The Tropes:
 * Slash, the stage name of Saul Hudson, the guitarist who used to front Guns N' Roses
 * A character in Marvel Comics
 * A character in Mahoromatic
 * A character in Teenage Mutant Ninja Turtles
 * A character in Transformers - one of the Dinobots
 * Slash, a 2016 comedy film

Related tropes include:
 * Hack and Slash, a genre of video games
 * Slash Fic, a NSFW style of fan work that got its name from the punctuation mark
 * Slasher Movie, a film genre
 * Slasher Smile
 * Slashers Prefer Blondes

Related works include:
 * Slash Report, a podcast
 * Slash'EM, a Nethack variant
 * Slashdot, a website

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