ratfink

[ rat-fingk ]
/ ˈrætˌfɪŋk /
SEE SYNONYMS FOR ratfink ON THESAURUS.COM

noun Slang.

fink(defs 3, 4).

Origin of ratfink

First recorded in 1960–65; rat + fink

Words nearby ratfink

ratel, ratemaking, ratepayer, rater, rates, ratfink, ratfish, rath, ratha, rathbone, rathe

Words related to rat fink

betrayer, blabbermouth, decoy, fink, informant, informer, plant, rat, sneak, snitch, source, spy, squealer, tattletale, turncoat, weasel, double-crosser, stoolie, tattler, canary

British Dictionary definitions for rat fink

ratfink
/ (ˈrætˌfɪŋk) /

noun

slang, mainly US and Canadian a contemptible or undesirable person

Word Origin for ratfink

C20: from rat + fink