Green’s Dictionary of Slang

1. (US black) fashionable clothing.

1953

L. Durst Jives of Dr. Hepcat (1989) 8: Sharps fronts and frantic threads will be on every hand, there will be free togs for everybody both woman and man.

2. (US) a second-hand car in excellent condition.

1960, 1975

Wentworth & Flexner DAS.

3. (Aus.) working-class youth cult, initially similar to UK mods, later skinheads, originated in the Melbourne suburbs in 1960s and flourishing till late 1970s; thus the world of those who joined the gangs that it spawned.

2004

(con. 1960s-70s) T. Taylor Top Fellas 10/12: We [...] knew next to nothing about sharp’s golden age.