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n. Slang
A person regarded as contemptible, obnoxious, or otherwise undesirable.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


slang chiefly US and Canadian a contemptible or undesirable person
[C20: from rat + fink]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(fɪŋk) Slang. n.
1. a strikebreaker.
2. a labor spy.
3. an informer.
4. a contemptible person.
5. to inform to the police; squeal.
6. to act as a strikebreaker; scab.
7. fink out, to renege.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


n (dated US sl) → Arschloch nt (sl); (= informer)Spitzel m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
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References in periodicals archive ?
The term reminds us of "Big Daddy" Roth's creation of the "Ratfink," the anti-Mickey Mouse who stood as an insult to Walt Disney's saccharine worldview.
This might happen possibly when his ratfink father has an attack of conscience a few years down the line.
'For our first Christmas together, he sent me a company card with the message, "To the one who's always there, from the ratfink who never is." It was this boring card with a robin on the front, not the kind you send to your lover.