Definitions

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.

Etymologies

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

Examples

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  • Now the sheets are brown-stained and arctic,
          oh! love's a perfidious fink,
    and I snuffle the bed like a truffle-pig
          desperate to retrace his stink.

    - Peter Reading, Song of the Bedsit Girl, from Tom O' Bedlam's Beauties, 1981

    June 29, 2008

  • Is ratfink a subspecies?

    October 22, 2007

  • There are a number of opposing ideas for the etymology of this word. I feel very strongly that we need to root out the true source.

    October 21, 2007