Green’s Dictionary of Slang

highbinding adj.

[highbinder n.]

(US) influential, powerful.

Wentachee Dly World (WA) 12 July 8/3: Dere was a swell skoit come down her a few years ago, and she took up wit’ a highbindin’ chink in an old dump down on Pell Street.
Adair Co. News 3 Jan. 7/2: That same old high-bindin’ Cinnabar outfit that did your gran’paw up.