One of the mysteries of the English language finally explained.
1Vivacious, attractive, desirable; flashy, showy.
2Of music (especially jazz): exciting, lively; marked by a strong rhythm.
Expressing enthusiastic approval or delight.
1920s; earliest use found in The San Antonio Express-News. Apparently from hot, with arbitrary extension. With the use as interjection compare earlier hot-cha-cha.
In this article we explore how to impress employers with a spot-on CV.