Oh those crazy kids!

"For a few months in 1922, throngs of America's youth — from schoolkids to shopgirls — were swept up in a leaderless pyramid scheme that promised "something for nothing" and encouraged promiscuous flirtation. These were the "Shifters."This is their (brief) story." (NYTimes link) Previously on the flappers and flapper slang: 1, 2.