Dictionary.com
definitions
  • synonyms

ratfink

[rat-fingk]
See more synonyms for ratfink on Thesaurus.com
noun Slang.
  1. fink(defs 3, 4).
Show More

Origin of ratfink

First recorded in 1960–65; rat + fink
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ratfink

ratfink

noun
  1. slang, mainly US and Canadian a contemptible or undesirable person
Show More

Word Origin

C20: from rat + fink
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012