Kosher Right, Honest: It don't sound kosher to me.
Nosh To eat a little something: I was noshing all day.
Cockamammie Crazy: He's got cockamammie ideas.
Futz To fiddle around; Geting your PC to work.
Chutzpah Guts, Nerve, no Shame : He has chutzpah.
Gelt Money: I got a lot of gelt for Chanukah.
Goyim Non-Jewish people: The place was full of goyim.
Ganif Thief: Don't be such a ganif
Kvetch Complainer: Don't be such a kvetch.
Miskayt Ugly: The daughter is a reall meeskite.
Mensch A nice gentleman: He was such a mensch.
Mishegas Craziness: What kind of mishegas is that?
Nebish Little nerd: He is such a nebish.
Shlemazel Unlucky person: The poor schlemazel had his car stolen.
Shmatas Rags: Your clothes look like shmatas.
Shpilkes Nervous energy: I had shpilkes before the interview.
Shtick Routine: That's his shtick.
Kvel To glow with pride: I could kvell watching those kids in the play.
Mazel Luck: I got such a mazel.
Shlemiel Fool: He's a real schlemiel, always screwing up.
Schmootz Dirt: It's covered with schmootz.
Tsures Troubles: That car gives me nothing but tsures.
Tsimmes Fuss, Issue: She made a big tsimmes out of it.
Bupkis Nothing: I got bupkis for my bonus.