Berries - attractive or pleasing, as in "It's the berries."
Big Cheese - the most important person, boss.
Darb - an excellent person or thing, for example someone that can be counted on to pay the bill.
Hoot - something very amusing.
Hotsy-totsy - just right, perfect
Lettuce - money, that is, green notes. Same as kale, cabbage, long green, folding green.
Oodles - a lot.
Ritzy - elegant
Spiffy - an elegant appearance, fashionable. Same as Swanky.
Swell - wonderful. Also a rich man.
The bee's knees - wonderful, sweet, or extraordinary. Similarly the cat's meow, the cat's pajamas
All Wet - an erroneous idea or individual.
Applesauce - an expletive, as in "Ah applesauce!"
Baloney - nonsense.
Bunk - nonsense.
Dumb Dora - a stupid female.
Flat Tire - a dull witted, insipid, disappointing date.
Gold Digger - a woman who associates with or marries a man for his wealth.
Gyp - cheat.
Heebie-jeebies - the jitters, fear, goosebumps.
Horsefeathers - term of derision for nonsense or lies.
Rag-a-muffin - dirty or disheveled person.
Runaround - delaying action.
Scram - ask someone to leave immediately.
Wet blanket - solemn person, someone who puts a dampener on someone else's fun.
Bus - old, worn out car.
Jitney - a private cab.
Dog - a troublesome car.
Jalopy - old car.
Tin Lizzie - a Model-T-Ford.
Bathtub gin - homemade, illegal spirits.
Bootlegger - one who traded in alcohol during Prohibition.
Bump Off - to murder.
Fall Guy - victim of a frame.
Frame - to give false evidence, to set up someone.
Moll - a gangster's girl.
Pinch - to arrest.
Torpedo - a hired gun.
Take for a Ride - to drive off with someone in order to bump them off.
Drinking & Partying
Blind Date - going out with someone you do not know.
Bum's Rush - being thrown out from an establishment.
Drag - a dance, or to go to a dance.
Drag a Blind - take a blind date to a dance.
Gate Crasher - an uninvited guest.
Giggle Water - an intoxicating beverage such as alcohol.
Hair of the Dog - alcohol shot.
Hooch - Bootleg liquor.
Hoofer - Dancer.
Joint - a club, usually selling alcohol.
Petting pantry - movie theatre.
Prom Trotter - someone who attends all of his or her school's social functions.
See a man about a dog - go somewhere to drink.
Speakeasy - illicit bar selling bootleg liquor.
Spifflicated - drunk
Upchuck - To vomit when one has drunk too much.
Whoopee - To have a good time.
Feelings & Relationships
Baby - sweetheart.
Bank's closed - no kissing or making out, sorry.
Carry a Torch - hopelessly in love.
Daddy - young woman's older lover.
Kiddo - friendly form of address.
Middle Aisle - to marry.
Neck - kissing with passion.
Pet - same as neck, but more so.
Style & Appearance
Bob - shockingly short hairstyle for girls.
Cheaters - eyeglasses.
Dogs - human feet.
Drugstore Cowboy - a guy that hangs around on a street corner trying to pick up girls.
Flapper - a stylish, brash, hedonistic young woman with short skirts and shorter hair.
Gams - a woman's legs.
It - sex appeal.
Joe Average - a normal college student.
Joe Brooks - a perfect dresser.
Keen - attractive or appealing.
Kisser - mouth.
Pushover - a person easily convinced or seduced.
Sheba - woman with sex appeal (from the movie Queen of Sheba or Clara Bow).
Sheik - man with sex appeal (from the Valentino movies).
Smooth - well dressed without qualification.
Water-proof - face that doesn't need any make-up.
Wet - over-dressed or dressed oddly.