Green’s Dictionary of Slang

hard-eyes adj.

also hard-eye

used of one who is disobedient, undisciplined.

[UK]C. Rampini Letters from Jamaica 87: ‘Hard eyes’ [is said of] of people who are wilful and disobedient.
[WI]Anderson & Cundall Jamaica Proverbs and Sayings 37: Hard aise pickney neber go good.
[US]M. Beckwith Jamaica Proverbs (1970) 57: Hard-eye pickney neber go good.