from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A contemptible person.
  • n. An informer.
  • n. A hired strikebreaker.
  • intransitive v. To inform against another person.
  • intransitive v. To withhold promised support or participation: They said they'd help us, but then finked out.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Someone who betrays a trust.
  • v. To betray a trust.


Origin unknown.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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