cool one's heels

Translations
ждать, теряя терпение
He had to cool his heels in the lobby for an hour.
Ему пришлось ждать в фойе в течение часа.
Definitions
To be kept waiting, often in an annoying or frustrating way, usually because someone else is making you wait.
Words
heel

noun
пятка
cool

verb
охлаждать