Green’s Dictionary of Slang

(US/S.Afr.) tipsy.

1922		Colton & Randolph Rain I 56: ‘Not that you’ll need it, Sadie,’ said he — ‘you were born hooched.’.
1931		‘Experience’ in Lingenfelter et al. Songs of the Amer. West (1968) 324: My first was a stickup in Portland, / When I was hooched up like a bat.
1942		Berrey & Van den Bark Amer. Thes. Sl.