One of the mysteries of the English language finally explained.
1The action or an instance of clicking the heels of one's boots or shoes quickly together while in a formal standing posture, so as to produce a sharp clicking noise, as a gesture of military discipline, obedience, or respect.
2The action or an instance of clicking one's heels together or against the floor, typically as part of a dance or as a gesture of exuberance.
Early 20th century; earliest use found in The New York Times Magazine. From heel + clicking, after to click one's heels.
In this article we explore how to impress employers with a spot-on CV.