buzz word

noun

1. informal.
   a word, often originating in a particular jargon, that becomes a vogue word in the community as a whole or among a particular group

Example Sentences

Has the buzz word of Hull 2017 lasted?

From BBC

The Florida Republican earned much press in the immediate aftermath of his announcement, and “oust” became the buzz word of the moment, and in dozens of reports.

From Washington Times

It’s a hat tip to the Heat buzz word - culture.

From Washington Times

It’s a hat tip to the Heat buzz word — culture.

From Seattle Times

The buzz word was "relief" that he had stepped down.

From BBC