当とう世せい風ふうに言いうと

expression

as we would say nowadays; in modern parlance

A set phrase used to introduce a contemporary expression or way of phrasing something, often with a slightly self-conscious or explanatory tone.

• 当とう世せい風ふうに言いうと、それは「エモい」ってやつだね。

  In modern parlance, that's what you'd call 'emoi,' isn't it.

• 当とう世せい風ふうに言いうと、彼かれは「イケメン」というより「渋しぶい」感かんじだ。

  To put it in today's terms, he's more 'shibui' than 'ikemen.'