Kicking heels is a phrase that refers to being restless or impatient. There are several synonyms for this phrase, including tapping one's foot, fidgeting, squirming, fretting, or agitating. These words all indicate a sense of restlessness or impatience and represent the desire to move or take action. They can be applied to situations where someone is waiting for something, feeling uncomfortable or trapped, or simply feeling bored. Using these synonyms can help to add variety and depth to your writing, allowing you to describe physical movements and emotions in a more nuanced way.