Groovy

Recorded use of the word in its slang context has been found dating back to September 30, 1941, when it was used on the Fibber McGee and Molly radio show; band leader Billy Mills used it to describe his summer vacation.

The 1942 film Miss Annie Rooney features a teenage Shirley Temple using the term as she impresses Dickie Moore with her jitterbug moves and knowledge of jive.

[2] The word appears in advertising spots for the 1947 film Miracle on 34th Street, and in the same year the phrase “Everything’s groovy” was included on a 78 rpm recording of “Open The Door, Richard” sung by Walter Brown with Tiny Grimes Sextet.

Starting in the 1940s, variations of the word were used in the titles of many popular songs, including: An early mainstream use of the word is in the trailer to the 1947 film Miracle on 34th Street, which depicts various viewers' reactions to the film, including a young person who describes it as “groovy.” The term was also part of the title of a TV program called The Groovy Show, which ran from 1967 to 1970.

By the early 1970s, the word was commonplace in American TV advertisements aimed at young audiences, as exemplified by the slogan "Feeling groovy, just had my Cheerios."