cool one's heels

Verb

idiomatic

(idiomatic) To wait, especially impatiently or restlessly.

Japanese Meaning

（落ち着かずに）待つ、特に不安や焦りを感じながら時間を過ごすこと / もどかしく、じっと待たされる状態を表す / 待つ行為に伴う、イライラや焦燥感を含めた待機の意味

It's humiliating to cool one's heels in the waiting room for hours when you have an important appointment.

重要な予約があるのに、待合室で何時間もイライラしながら待たされるのは屈辱的だ。

Sense（1）

(idiomatic) To wait, especially impatiently or restlessly.

I cooled my heels in the cloisters till nine, then went in to the music-meeting.

cools one's heels

（ present singular third-person ）

cooling one's heels

（ participle present ）

cooled one's heels

（ participle past ）

cooled one's heels

（ past ）