流行ってる

is popular, is in fashion, is trending

→ 流行る
verb · informal, present tense Rare #29,630
is popular, is in fashion, is trending Colloquial contraction of 流行っている.
JA: この店のケーキが流行ってる。
EN: This shop’s cakes are popular.

最近はどんな歌が流行ってるの?

What kind of songs are popular these days?

流行ってるな

It's really popular.

— Good Luck, Have Fun, Don't Die (2026)

これが今流行ってる曲よ。

This is the song that's popular right now.

ああ最近流行ってるあれって何なのそれ

Oh, what’s that thing that’s been popular lately?

— PERFECT BLUE (1998)

てっきりそういうのが流行ってるのかと思った

I just assumed that sort of thing was trendy.

— The Garden of Sinners: Paradox Spiral (2008)

パリでは何が流行ってるの?

What’s popular in Paris?

どんな種類の音楽が最近流行ってるんですか?

What kind of music is popular these days?