loop-legged, adj. — Green’s Dictionary of Slang

loop-legged adj.

also looping

(US) drunk.

1941		M. Prenner ‘Drunk in Sl.’ in AS XVI:1 Jan. 70/1: loop-legged.
1943		M. Constiner ‘The Turkey Buzzard Blues’ in Ruhm Hard-Boiled Detective (1977) 303: Last night Fiddler come into my—er—establishment loopin’ drunk.
1960, 1975		Wentworth & Flexner DAS 325: Loop-legged. . . Drunk. Not common.
1984		R.J. Reeves Mekong 14: They were all loop-legged as hell [HDAS].