How to Speak Hip

A obsession with hipster slang had been prevalent in the mainstream culture since the late-30s/1940s when jazz music became a popular form. 

Cab Calloway released a recording of a song called the "Hepsters Dictionary" in 1938 (along with a published booklet). 

In the film The Song of the Thin Man from (1947) the "straight" Nick and Nora have trouble following the jargon of the jazz musicians in the story. 

During the 1950s, as people became conscious of the Beat Generation phenomena, amid fears of juvenile delinquency, there was an increased urgency to understand the language spoken by the new youth culture.

And the beat goes on  La de da de de, la de da de da