ratfink /ˈɹætfɪŋk/noun 3verb 1forms 3 noun3 •(US, Canada) An informer or spy; a traitor.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. — 1961 •(US, Canada) A strikebreaker. •[before a noun] (US, Canada) A dislikable or contemptible person.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, […] — 1999 verb1 •To inform on; to betray.It led to some rather incredible and colourful claims in the submission by the union that the employers had ratfinked on previous agreements. — 1980 formsratfinked · ratfinking · ratfinks
