Green’s Dictionary of Slang

(US) mindless, dumb.

1974		J. Hejinian Extreme Remedies 8: He’s half-paralyzed anyhow, and a bit gorked [HDAS].
1981		R. Feldman Hell Night [film] [He left] the cruellest punishment of all to his fourteen-year-old, gorked out son Andrew [HDAS].
1982		W. Safire What’s the Good Word? 153: Leaves you ‘gorked’ — stupefied, as if by an anesthetic [HDAS].