流行はやり言こと葉ば

noun

buzzword; popular expression; vogue word

Refers to a word or phrase that becomes temporarily fashionable in media, advertising, or everyday conversation.

• 今年ことしの流行はやり言こと葉ばは何なんだと思おもいますか。

  What do you think is this year's buzzword?

• あのドラマから生うまれた流行はやり言こと葉ばが、すぐに広ひろまった。

  The buzzword that came from that drama spread quickly.