ペン回まわし

noun

pen spinning

The activity or skill of spinning a pen around the fingers, often as a hobby or performance.

• 授じゅ業ぎょう中ちゅうにペン回まわしをしていると先せん生せいに怒おこられる。

  If you spin your pen during class, the teacher will get mad at you.

• 彼かれはペン回まわしがとても上手じょうずで、いろんな技わざができる。

  He is very good at pen spinning and can do many tricks.