Jim at Book Flaps acquired a 1922 Flapper Magazine detailing a Flapper Dictionary. Some are ridiculous and quite charming, but I did notice many that are in use today or at least a variation of that slang. Visit the post for more information!
Absent Treatment�Dancing with a bashful partner.
Airedale�A homely man.
Alarm Clock�Chaperone.
Anchor�Box of flowers.
Apple Knocker�A hick; a hay-shaker.
Apple Sauce-Flattery; bunk.
Barlow�A girl, a flapper, a chicken.
Bank�s Closed�No petting allowed; no kisses.
Barneymugging�Lovemaking.
Bee�s Knees�See �Cat�s Pajamas�
Bell Polisher�A young man addicted to lingering in vestibules at 1 a.m.
Bean Picker�One who patches up trouble and picks up spilled beans.
Berry Patch�A man�s particular interest in a girl.
Berries�Great.
Biscuit�A pettable flapper.
Big Timer�(n. masc.)�A charmer able to convince his sweetie that a jollier thing would be to get a snack in an armchair lunchroom; a romantic.
Billboard�Flashy man or woman.
Blushing Violet�A publicity hound.
Blouse�To go.
Blow�Wild party.
Blaah�No good.
Boob Tickler�Girl who entertains father�s out-of-town customers.
Brush Ape�Anyone from the sticks; a country Jake.
Brooksy�Classy dresser
Bust�A man who makes his living in the prize ring, a pugilist.
Bun Duster�See �Cake Eater�.
Bush Hounds�Rustics and others outside of the Flapper pale.
Cancelled Stamp�A wallflower.
Cake Basket�A limousine.
Cake Eater�See �Crumb Gobbler�
Cat�s Particulars�The acme of perfection; anything that�s good
Cat�s Pajamas�Anything that�s good
Cellar Smeller�A young man who always turns up where liquor is to be had without cost.
Clothesline�One who tells neighborhood secrets.
Corn Shredder�Young man who dances on a girl�s feet.
Crepe Hanger�Reformer.
Crumb Gobbler�Slightly sissy tea hound.
Crasher�Anyone who comes to parties uninvited.
Crashing Party�Party where several young men in a group go uninvited.
Cuddle Cootie�Young man who takes a girl for a ride on a bus, gas wagon or automobile.
Cuddler�One who likes petting.
Dapper�A flapper�s father.
Dewdropper�Young man who does not work, and sleeps all day.
Dincher�A half-smoked cigarette.
Dingle Dangler�One who insists on telephoning.
Dipe Ducat�A subway ticket.
Dimbox�A taxicab.
Di Mi�Goodness.
Dogs�Feet.
Dog Kennels�Pair of shoes.
Dropping the Pilot�Getting a divorce.
Dumbdora�Stupid girl.
Duck�s Quack�The best thing ever.
Ducky�General term of approbation.
Dud�Wallflower.
Dudding Up�Dressing.
Dumbbell-Wall flower with little brains.
Dumkuff�General term for being �nutty� or �batty�.
Edisoned�Being asked a lot of questions.
Egg Harbor�Free dance.
Embalmer�A bootlegger.
Eye Opener�A marriage.
Father Time�Any man over 30 years of age.
Face Stretcher�Old maid who tries to look younger.
Feathers�Light conversation.
Fire Extinguisher�A chaperone.
Finale Hopper�Young man who arrives after everything is paid for.
Fire Alarm�Divorced woman.
Fire Bell�Married woman.
Flap�Girl
Flat Shoes�Fight between a Flapper and her Goof
Fluky�Funny, odd, peculiar; different.
Flatwheeler�Slat shy of money; takes girls to free affairs.
Floorflusher�Inveterate dance hound.
Flour Lover�Girl who powders too freely.
Forty-Niner�Man who is prospecting for a rich wife.
Frog�s Eyebrows�Nice, fine.
Gander�Process of duding up.
Green Glorious�Money and checks.
Gimlet�A chronic bore.
Given the Air�When a girl or fellow is thrown down on a date.
Give Your Knee�Cheek-to-cheek or toe-to-toe dancing.
Goofy�To be in love with, or attracted to. Example: �I�m goofy about Jack.�
Goat�s Whiskers�See �Cat�s Particulars�
Goof�Sweetie.
Grummy�In the dumps, shades or blue.
Grubber�One who always borrows cigarettes.
Handcuff�Engagement ring.
Hen Coop�A beauty parlor.
His Blue Serge�His sweetheart.
Highjohn�Young man friend; sweetie, cutey, highboy.
Hopper�Dancer.
Houdini�To be on time for a date.
Horse Prancer�See �Corn Shredder�.
Hush Money�Allowance from father.
Jane�A girl who meets you on the stoop.
Johnnie Walker�Guy who never hires a cab.
Kitten�s Ankles�See �Cat�s Particulars�.
Kluck�Dumb, but happy.
Lap�Drink.
Lallygagger�A young man addicted to attempts at hallway spooning.
Lens Louise�A person given to monopolizing conversation.
Lemon Squeezer�An elevator.
Low Lid�The opposite of highbrow.
Mad Money�Carfare home if she has a fight with her escort.
Meringue�Personality.
Monkey�s Eyebrows�See �Cat�s Particulars�.
Monog�A young person of either sex who is goofy about only one person at a time.
Monologist�Young man who hates to talk about himself.
Mustard Plaster�Unwelcome guy who sticks around.
Munitions�Face powder and rouge.
Mug�To osculate or kiss.
Necker�A petter who puts her arms around a boy�s neck.
Noodle Juice�Tea.
Nosebaggery�Restaurant.
Nut Cracker�Policeman�s nightstick.
Obituary Notice�Dunning letter.
Oilcan�An imposter.
Orchid�Anything that is expensive.
Out on Parole�A person who has been divorced.
Petting Pantry�Movie.
Petting Party�A party devoted to hugging.
Petter�A loveable person; one who enjoys to caress.
Pillow Case�Young man who is full of feathers.
Police Dog�Young man to whom one is engaged.
Potato�A young man shy of brains.
Ritzy Burg�Not classy.
Ritz�Stuck-up.
Rock of Ages�Any woman over 30 years of age.
Rug Hopper�Young man who never takes a girl out. A parlor hound.
Sap�A Flapper term for floorflusher.
Scandal�A short term for Scandal Walk.
Scandaler�A dance floor fullback. The interior of a dreadnaught hat, Piccadilly shoes with open plumbing, size 13.
Seetie�Anybody a flapper hates.
Sharpshooter�One who spends much and dances well.
Shifter�Another species of flapper.
Show Case�Rich man�s wife with jewels.
Sip�Flapper term for female Hopper.
Slat�See �Highjohn�; �Goof�.
Slimp�Cheapskate or �one way guy�.
Smith Brothers�Guys who never cough up.
Smoke Eater�A girl cigarette user.
Smooth�Guy who does not keep his word.
Snake�To call a victim with vampire arms.
Snuggleup�A man fond of petting and petting parties.
Sod Buster�An undertaker.
Stilts�Legs.
Stander�Victim of a female grafter.
Static�Conversations that mean nothing.
Strike Breaker�A young woman who goes with her friend�s �Steady� while there is a coolness.
Swan�Glide gracefully.
Tomato�A young woman shy of brains.
Trotzky (sic)�Old lady with a moustache and chin whiskers.
Umbrella�young man any girl can borrow for the evening.
Urban Set�Her new gown.
Walk In�Young man who goes to a party without being invited.
Weasel�Girl stealer.
Weed�Flapper who takes risks.
Weeping Willow�See �Crepe Hanger�
Whangdoodle�Jazz-band music.
Whiskbroom�Any man who wears whiskers.
Wind Sucker�Any person given to boasting.
Wurp�Killjoy or drawback.