再さいブーム

noun

revival boom; second coming of a fad

Colloquial term for a trend, fad, or boom that returns after fading away. Often used in media and casual conversation about pop culture, fashion, or retro revivals.

• 90年ねん代だいのファッションが再さいブームになっている。

  90s fashion is having a revival boom.

• あのアニメ、最さい近きん再さいブームが来きてるらしいよ。

  I hear that anime is having a second coming lately.