We found 2 definitions of cool one's heels from 2 different sources.
Verb |
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cool one's heels - wait or pass the time aimlessly or futilely; be kept waiting; "She kicked her heels for hours at the gate of the Embassy" | ||
kick one's heels | ||
wait serve as a waiter or waitress in a restaurant; "I'm waiting on tables at Maxim's" |