fink

IPA: fˈɪŋk

(chiefly US, slang) A contemptible person.
(chiefly US, slang) An informer.
(chiefly US, slang) A strikebreaker.
(South Africa) Any of several birds in the family Ploceidae native to southern Africa.
A surname.

(chiefly US, slang) To betray a trust; to inform on.
(dialectal, th-fronting) Pronunciation spelling of think. [(transitive) To ponder, to go over in one's head.]

Examples of "fink" in Sentences

In fact, the word “fink” is sprayed on her locker.
Cockney sweetness and a slight speech impediment ( "fink" for
He don 'fink 'bout dem mooch only w'en he git dronk, or git scairt.
Doan fink too mush how bad you feel, jus know you feel and keep koing.
The potheads, though, believe she is a fink for abandoning their narcotized orbit.
Mr. Fitz would say, “Doan fink too mush how bad you feel, jus know you feel and keep koing.”
In my family, it was considered an insult to be called a fink and even worse to be called a ratfink.
Maybe they routinely slept with undergrads as TA's and no one ever wanted to be known as the fink who turned them in.
Rat fink reporter types go for the scourge of Baltimore, HL Mencken, whose collected Prejudices have just been published.
Every time I think of him I can still hear him say, “Doan fink too mush how bad you feel, jus know you feel and keep koing.”