流行はやり物もの

noun

fashionable thing; popular thing; craze

Refers to something currently in vogue, a trend, or a fad. Often used for consumer goods, activities, or ideas that are temporarily popular.

• 今いま、若わか者ものの間あいだで流行はやり物もののスイーツは何なんですか。

  What sweets are trendy among young people right now?

• 彼かれはいつも流行はやり物ものを追おいかけている。

  He is always chasing after the latest fads.