Alligator- swing fans or dancers

Ameche- to telephone

B.Y.T.- bright young thing

Bag- to shoot down a plane

Barouche- car, jalopy

Brainchild- someone's creative idea

Bunny- to chat

Cast an eyeball- look around

City slicker- dandy from the city

Corny- unimportant, passé

Cozy- comfortable

Creep- despicable person

Darby- something good

Dead hoofer- poor dancer

Dig- like

Dillinger- fantastic

Drag a hoof- dancer

Drape- clothes, suit

Duchess- girl

Eager Beaver- enthusiastic helper

Fade- leave

Fifth avenue- high class

Frolic- dance

Frolic pad- nightclub

Fuddy-duddy- old-fashioned person

Gammin'-strutting, showing off

Ginned up- dressed up

Gobbledygook- double talk, long speech

Gone with the wind- run off (with money)

Got your boots on- understand what's happening

Grandstand- to show off

Grotty- new but useless

Ground grippers- shoes

Have a ball- have a good time

Hep cats- swing music lovers, dancers (male)

Hep kittens- swing music lovers, dancers (female)

Hi-de-ho- hello

Hincty- snobby

Hopper- Lindy Hop dancer

Hoof- dance

In cahoots with- conspiring with

In the groove- very good

Jump- sing dance

Kicks- shoes

Lettuce- money

Niftic- good, sharp

Off-time jive-bad manners, incorrect

Old hat- out dated

Pass the buck- pass responsibility for

Pennies from heaven- easy money

Pulleys- suspenders

Rug cutters- dancers

Scene- situation

Smooth- good, agreeable

Stompers- shoes

Striders- trousers

Threads- clothes

Togged to the bricks- wearing best clothes

from: http://www.newberry.k12.sc.us/mchs/htm/40\'s%20Slang.htm