הער, her (like the German herr).
Why not 'reb', the usual Yiddish word for "mister"? Unless in Warsaw they'd gotten so assimilated as to use the Polish "pan", which I doubt, since the intellectuals were probably quite aggressively Yiddishist.
Yiddish = Yiddish (ייִדיש)
The Yiddish word for funny is "קומיש."
The Yiddish word for disappointed is "bafel."
The Yiddish word for swindler is "gonif".
The Yiddish word for colored is "farblondzhet."
Bling is not a Yiddish word or a Hebrew word.
The Yiddish word for grandmother is "Bubbe".
The Yiddish word for lawyer is "advokat".
The Yiddish word for trivia is "tseyneray."
The Yiddish word for love is "libe."
The Yiddish word for pretentious is "feygelekh."