Curiously enough, Yiddish affected Polish crime slang, see https://en.wikipedia.org/wiki/Grypsera https://en.wikipedia.org/wiki/Grypsera - for starters, the sub

Curiously enough, Yiddish affected Polish crime slang, see https://en.wikipedia.org/wiki/Grypsera https://en.wikipedia.org/wiki/Grypsera - for starters, the subculture of syndicated prisoners is known as "git people", git being Yiddish for good, ok, etc.