Ratfink

//ˈɹætfɪŋk// noun, verb

Definitions

Noun
  1. 1
    An informer or spy; a traitor. Canada, US

    "The authors have facetiously labeled the contemplated musical as 'Ratfink', after the name of its central character, James J. Ratfink. Its title is not meant in a derogatory sense."

  2. 2
    A dislikable or contemptible person. Canada, US, also, attributive

    "Maxwell—or Maxie, as he was familiarly called by his once and former rat fink girlfriend—lived in a six-story walkup on a narrow street in Calm's Point, […]"

  3. 3
    A strikebreaker. Canada, US
Verb
  1. 1
    To inform on; to betray. Canada, US, transitive

    "It led to some rather incredible and colourful claims in the submission by the union that the employers had ratfinked on previous agreements."

Etymology

Etymology 1

From rat + fink.

Etymology 2

From rat + fink.

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