rat fink

ratfink

[rat-fingk]
noun Slang.
fink ( defs 3, 4 ).

Origin:
1960–65; rat + fink

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World English Dictionary
ratfink (ˈrætˌfɪŋk)
 
n
slang chiefly (US), (Canadian) a contemptible or undesirable person
 
[C20: from rat + fink]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Slang Dictionary

rat fink definition


  1. n.
    an informer. (Also a term of address. See also rat.) : That guy is nothing but a rat fink. A dirty squealer!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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