jink, n.² — Green’s Dictionary of Slang

jink n.²

also jinkie

[SE jink, to move jerkily; note dial. jinked, hurt in the loins or back]

(US black) a disabled person, anyone seen as bizarre, unpleasant.

1969		‘Iceberg Slim’ Pimp 134: I saw the old jink hobble across the street.
1980		Jackson & Christian Death Row 56: Homosexuals are jinkies.