Green’s Dictionary of Slang

gork n.

[geek n.1 (1) + dork n. (2); note hospital jargon gork, an imbecile or comatose patient, f. acro. God only really knows]

(US campus) an inadequate, an incompetent.

[US] in Current Sl. IV:3–4 (1970) 18: Gork, n. A dupe.
[[US]Harper’s Mag. Nov. 127: I have cared for hopelessly brain-dead people (referred to by the less genteel as ‘vegetables’ or ‘gorks’)].