cool your heels
US /kuːl jʊər hiːlz/
UK /kuːl jʊər hiːlz/

1.
esperar, aguardar
to be kept waiting for a long time
:
•
I had to cool my heels in the waiting room for over an hour.
Tive que esperar na sala de espera por mais de uma hora.
•
The boss made him cool his heels before finally seeing him.
O chefe o fez esperar antes de finalmente vê-lo.