hotcha
/ˈhɒtʃə/slang (chiefly US )
adjective
1Vivacious, attractive, desirable; flashy, showy.
2Of music (especially jazz): exciting, lively; marked by a strong rhythm.
exclamation
Expressing enthusiastic approval or delight.
Origin
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.