A variant or diminutive form, sometimes used in Yiddish-influenced English to refer to a person resembling or associated with a fink.
From fink with the Yiddish diminutive suffix -el. This is primarily an informal or dialectal term.
Finkel shows how language adapts—Yiddish-speaking immigrants to America combined American slang (fink) with their own grammatical patterns to create new insults, blending two cultures in a single word.
Complete word intelligence in one call. Free tier — 50 lookups/day.