Theyoung, rebelliousBeatGenerationsoonpickeduptheinterjectionas a signofcool, anditwasusedsofrequentlythatitturnedinto a tropeforanybeatnikcharactersinpopculture.
Recentstudieshavesuggestedthatthewordmightalsohave a socialfunction, actingas a cuetoseeminformalandfriendly, anotherreasonwhyit's soprevalentamongyounggirls.