Having a quirky or idiosyncratic characteristic; used prenominally to describe people, things, or expressions with noticeable quirks.
あの作家は癖のある文体で知られている。
That writer is known for his idiosyncratic writing style.
癖のある香りがする古い本を棚から取り出した。
I pulled an old book from the shelf that had a peculiar smell.
彼女は癖のある話し方だが、聞くと味がある。
She has a quirky way of speaking, but it's interesting when you listen.