In Yiddish - The First Words You Learn
http://www.sbjf.org/sbjco/schmaltz/yiddish_phrases.htm
Selected Yiddish Words and Phrases - impress your friends and family
A BI GEZUNT: So long as you're healthy. Expression means, "Don't worry so much about a problem, whatever it is. You've still got your health."
ALTER COCKER: An old and complaining person, an old fart.
AY-YAY-YAY: A Joyous, or at times sarcastic, exclamation.
BALABUSTA: The wife of an important person or a bossy woman.
BEI MIR BIST DU SHAYN: To me you're beautiful.
BERRYER: Denotes a woman who has excellent homemaking skills. Considered a compliment in the pre-feminist era.
BISSEL, BISSELA: A little.
BOBBEMYSEH: Old wive's tales, nonsense.
BOYCHICK: An affectionate term for a young boy.
BROCHE: A prayer.
BUBBA: A grandmother.
BUBBALA: A term of endearment, darling.
BUPKES: Something worthless or absurd.
CHAYA: An animal. "Vilda Chaya," a wild animal, is a term used to describe unruly children.
CHAZEREI: Food that is awful, junk or garbage.
CHUTZPAH: Nerve; gall, as in a person who kills her parents and asks for mercy because she is an orphan.
DRECK: Shit. Can refer to the ugliness of objects or people.
ESS: Eat.
FAYGALA: A male homosexual. (literally, little bird.)
FERBLUNJIT: Lost, mixed up.
FERCOCKT: All fucked up.
FERDRAYT: Dizzy, confused.
FARPITZS: All dressed up.
FERMISHT: All shook up, as in an acute disturbance.
FERSHLUGINA: Beaten up, messed up, no good.
FERSHTAY?: Do you understand.
FERSHTINKINER: A stinker, a louse.
FERTUMMELT: Befuddled, confused.
FRESS: To eat like an animal, i.e., quickly, noisily, and in great quantity. (Compare with ess, to eat like a human being.)
GAVALT: A cry of fear or a cry for help. Oy Gevalt is often used as expression meaning "oh how terrible."
GAY AVEK: Go away, get out of here.
GAY GA ZINTA HATE: Go in good health. Often said in parting but can be spoken with irony to mean, "go do your own thing."
GAY SHLAFEN: Go to sleep.
GELT: Money.
GONIF: A thief, a tricky clever person, a shady character.
GOY: A derogatory term meaning gentile, goyim is the plural, and goyisher is the adjective.
GREPSE: To belch.
GORNISHT: Nothing. Often used in a sarcastic manner, as in what did you get from her? Gunisht.
HAYMISH: Informal, friendly. A haimisher mensch is someone you feel comfortable with.
HOK A CHAINIK: To talk too much, to talk nonsense.
KIBITZ: To offer comments which are often unwanted during a game, to tease or joke around. A kibitzer gives unasked for advice.
KINE-AHORA: A magical phrase to ward off the evil eye or to show one's praises are genuine and not tainted by envy.
KISHKA: Intestines, belly. To hit someone in the "kishka" means to hit him in the stomach or guts.
KLUTZ: An awkward, uncoordinated person.
KOSHER: Refers to food that it prepared according to Jewish law. More generally kosher means legitimate.
KVELL: To beam with pride and pleasure, Jewish parents are prone to kvell over their children's achievements.
KVETCH: To annoy or to be an annoying person, to complain.
LOCH IN KOP: Literally a hole in the head, refers to things one definitely does not need.
LUFTMENSH: A dreamer, someone whose head is in the clouds.
LUZZEM: Leave him be, let her or him alone.
MACH SHNEL: Hurry up.
MACHER: An ambitious person; a schemer with many plans.
MAVEN: An expert, a connoisseur.
MAZEL TOV: Good luck, usually said as a statement of support or congratulations.
MEESA MASHEENA: A horrible death. The phrase "a messa mashee af deer" means a horrible death to you and is used as a curse. Some have suggested that Masheena is the origin for the insulting name for Jews of sheeny.
MEESKAIT: A little ugly one; a person or thing.
MEGILLAH: Long, complicated and boring.
MENSCH: A person of character. An individual of recognized worth because of noble values or actions.
MESHUGGE or MESHUGGINA: Crazy, refers to a more chronic disturbance.
MISHEGOSS: Inappropriate, crazy, or bizarre actions or beliefs.
MISHPOCHA: Family, usually extended family.
MOMZER: A bastard, an untrustworthy person.
MOYL: The man who circumcises baby boys at a briss.
...AND MANY MORE _ FOLLOW THE LINK AT THE TOP OF THIS POST