nine days' wonder

noun

1. an event or thing that arouses considerable but short-lived interest or excitement.

nine-days wonder

noun

1. something that arouses great interest, but only for a short period

nine days' wonder

1. Someone or something that is famous and celebrated for only a short time: “Last year the art critics praised Jonas as if he were a master, but he turned out to be a nine days' wonder.”

Word History and Origins

Origin of nine days' wonder¹

First recorded in 1585–95