Definition of "bezazz"

Her 1962 guide to being happily unmarried was actually for anyone in search of taste and bezazz and verve and elegance.

2007 November 22, Jancee Dunn, “With the grace of Liberace go I”, in The New York Times‎, archived from the original on 17 March 2018

I don't think bezazz was the particular specialty of my mother … That's right cement and gravel, Chicago. Nice girl I'm told … but more in the line of barns than bezazz. Of course I never really knew her.

2013, Tony Lee Moral, “Writing”, in Hitchcock and the Making of Marnie, Lanham, Md.: Scarecrow Press, Rowman & Littlefield, page 48