Green’s Dictionary of Slang

(US) flashily dressed, smart.

1946		Mezzrow & Wolfe Really the Blues 313: Colored kids working in the tailor shop [...] go to work on their dungarees, pegging the legs till they’re real sharp and zooty.
1955		S. Allen Bop Fables 66: Jack, who was no astute galoot [...] bought himself a zooty suit.
1961		R.A. Norton Through Beatnik Eyeballs 17: One day a zooty kid ask me if I a pig or not.
1989		M. Amis London Fields 21: The zooty sideburns and masturbator’s pallor of an old Ted in a black suit.
1999		Observer Screen 4 July 2: He has lots of zooty outfits.
2005		Quagga’s Rear View [blog] 13 Oct. There’s the old fashioned model and the new, zooty, modern Afrikaaner, very much a part of the European, smooth set.