Meaning of MST in English

Pronounced mist. To insert one's own disparaging comments into a (generally bad) piece of work, be it written or in movie format. Utilizes multiple characters who make the snide comments, often with a mythos unto themselves. Taken from the vast Mystery Science Theater 3000 fanbase. Example: 'That self-insertion fic was a piece of utter drivel. It could do with some msting.

Slang English vocab.      Английский сленговый словарь.