sock hop

sock hop (plural sock hops)

1. In the 1950s, informal sponsored dance at American high schools, typically held on the grounds of the high school itself in the gymnasium or cafeteria.
   • I had no idea then how boys wooed girls. I guessed it was a matter of joshing and shared nothings and hours of scuffing through autumn leaves and even more hours of clenches during the slow numbers at the sock hop. - Edmund White, "My Women"