rat fink

[rat-fingk]

rat·fink

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

Origin:
1960–65; rat + fink
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Rat fink is always a great word to know.
So is flibbertigibbet. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a chattering or flighty, light-headed person.
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.
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