I was just planning to post this to a Link-O-Rama, but I liked too many of these! Here’s a few of my favorites from 59 More Slang Phrases From The 1920s We Should Start Using Again:
“Banana oil!”: “That’s doubtful!”
Barneymugging: sexual intercourse.
“Cash or Check?”: “Will you kiss me now or do we wait until later?” Note: “Check” on its own means to take a raincheck on kissing or save the kiss for another time.
Cast a Kitten: to throw a temper tantrum. (Also use for “temper tantrum”: “ing bing.”)
Dead Hoofer: a terrible dancer, someone with two left feet.
Eel’s Hips: a phrase similar to “The Cat’s Meow” or “The Monkey’s Eyebrows.”
Face Stretcher: an older lady still trying to look young (and usually failing).
Fire Extinguisher: the escort or chaperone for a social event. (Also use for “chaperone”: an “alarm clock.”)
Flat Tire: used to indicate that one’s date did not meet expectations. Example: “She seemed so interesting, but she was nothing but a flat tire!”
Mustard Plaster: someone who isn’t wanted but won’t leave.
Go check out the rest: 59 More Slang Phrases From The 1920s We Should Start Using Again