The meaning of /S is A single letter abbreviation used to indicate sarcasm Find more definitions for /S on Slangorg!S 1 or S (ĕs) n pl s's or S's also ss or Ss 1 The 19th letter of the modern English alphabet 2 Any of the speech sounds represented by the letter s 3 The 19th in a seriesEven though /s is used way more in writing that it is used in speech, it has come to have a few meanings It is used to denote sarcasm within online communities, specifically on Reddit forums and other online message boards For the physicists and scientists out there, /s is a mathematical notation that means per second
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