MST

M3S1T1
/ˌɛm ˌɛs ˈtiː/

verb

To mock a work (typically a fanfic) by inserting satirical commentary.

CommonScrabble 5

Meanings

MST1

proper noun
  1. abbreviationinitialismInitialism of Mountain Standard Time.

MST2

nounMST (plural MSTs)

plural MSTs

  1. abbreviationinitialismgraph theoryInitialism of minimum spanning tree.

MST3

verbMST (third-person singular simple present MSTs, present participle MSTing, simple past and past participle MSTed)

present singular third person MSTs · participle present MSTing · participle past MSTed · past MSTed · alternative MiST

  1. datedslangtransitivelifestyleTo mock a work (typically a fanfic) by inserting satirical commentary.

    Maybe that's why its^([sic]) considered bad etiquette to MST without permission.

    2002 August 3, ForwardPast, “Re: Blanket Permission To MST 3”, in alt.startrek.creative (Usenet)
    2 more examples

    But you can't quote large chunks, and MSTing a story would seem to me to be across the line into infringement.

    1998 September 26, Brandon Ray, “Re: What is Fair Use?”, in alt.tv.x-files.creative (Usenet)

    Look it up and see if you don't agree that this story deserves to be MSTed, if not completely erased from existance^([sic])...

    2003 April 5, Frank White, “Re: Fan fics?”, in alt.fan.harry-potter (Usenet)
nounMST (plural MSTs)

plural MSTs · alternative MiST

  1. slanglifestyleA parody fanfic created in this manner.

    The commentary in the MSTs may have been nasty and uncalled for; but it was not plagiarism.

    1999 March 10, Teddi Litman, “Re: THE ACID DESK: Vol 1, No 9 - Plagarism^([sic]) Proof”, in alt.tv.x-files.creative (Usenet)
    2 more examples

    The only MSTs I've seen (on alt.drwho.creative) have been of perfectly good fan fiction, deliberately cut about to make it look silly (truncating a character's words in the middle to create an^([sic]) non-existent innuendo, for example) - and those were *with* the authors' permission.

    2003 April 8, Igenlode W., “Re: Fan fics?”, in alt.fan.harry-potter (Usenet)

    Goodbye Catherine! Come back soon! We'll all miss your unique style of MSTs! I know i will!! ;_;

    2003 June 18, Craig McMartin, “Re: Hasta!”, in alt.fan.harry-potter (Usenet)

MSt4

nounMSt (plural MSts)

plural MSts

  1. abbreviationAbbreviation of Master of Studies.

Synonyms & antonyms

nounstandard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From the sci-fi comedy television series Mystery Science Theater 3000, commonly known as MST3K, which features an audience of fictional characters (a man stranded in space and his robot companions) riffing real B movies.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

MST. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/MST

MLA

“MST.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/MST. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “MST,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/MST.

Source: MST on Wiktionary, CC BY-SA 4.0.