Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation Mountain Standard Time

from the GNU version of the Collaborative International Dictionary of English.

  • noun abbr. Mountain Standard Time, the time of the 105th meridian, used in the mountain states of the U.S.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism Mountain Standard Time
  • verb To mock a work using close annotation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the TV show Mystery Science Theater 3000, commonly known as MST3K, that practiced this technique on movies.

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