Open main menu



Alternative formsEdit


Origin unknown.[1][2] Compare scat (heroin; whiskey), slag (waste; a prostitute), skank (a disreputable woman).



scag (countable and uncountable, plural scags)

  1. (slang, uncountable) Heroin.
  2. (slang, countable, derogatory, originally African American Vernacular) A woman of loose morals.
  3. (slang, countable, dated, US) A cigarette.
    • 1915, “The Doomsday Butt”, in The Cornhusker, page 458:
      “Then have a skag,” said I. / “’Twill make it seem like happier times, / You liked this brand, I understand.”
    • 1996, Paul Bunker and Keith Barlow, Bunker's War: The World War II Diary of Paul D. Bunker, page 134:
      Awoke when our florescent lights came on and went outside to smoke a few scags before breakfast.


scag (third-person singular simple present scags, present participle scagging, simple past and past participle scagged)

  1. (computing) To destroy the data on a disk, either by corrupting the filesystem or by causing media damage.
    "That last power hit scagged the system disk."


  1. ^ scag, n.”, in OED Online  , Oxford: Oxford University Press, launched 2000.
  2. ^ scag” in Merriam–Webster Online Dictionary.




From Old Norse [Term?].


scag (present analytic scagann, future analytic scagfaidh, verbal noun scagadh, past participle scagtha)

  1. to strain, filter
  2. to drain off
  3. to refine
  4. to sift
  5. to derive, spring (from source)


Derived termsEdit

Further readingEdit

  • scacaid” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.
  • "scag" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
  • Entries containing “scag” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
  • Entries containing “scag” in New English-Irish Dictionary by Foras na Gaeilge.