Dictionary.com

ratfink

[ rat-fingk ]
/ ˈrætˌfɪŋk /
Save This Word!

noun Slang.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of ratfink

First recorded in 1960–65; rat + fink
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for ratfink

ratfink
/ (ˈrætˌfɪŋk) /

noun
slang, mainly US and Canadian a contemptible or undesirable person

Word Origin for ratfink

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
FEEDBACK