Wiktionary
kick one's heels
vb. 1 (&lit kick heels English) 2 (context idiomatic English) To wait; to wait impatiently or restlessly.
WordNet
kick one's heels
v. wait or pass the time aimlessly or futilely; be kept waiting; "She kicked her heels for hours at the gate of the Embassy" [syn: cool one's heels]