laid out, adj.¹ — Green’s Dictionary of Slang

laid out adj.¹

[SE laid out, awaiting burial, i.e. one is ‘dead’ drunk]

(US) drunk.

1848		North-Carolinan (Fayetteville, NC) 18 Nov. 1/6: Drunk [...]obfusticated, laid out, has a load on.
1929		L. Axley ‘“Drunk” Again’ in AS IV:6 440: laid out.
1931		A. Hardin ‘Volstead English’ in AS VII:2 87: Terms referring to the state of intoxication: Laid out.
1967–8		Baker et al. CUSS 149: Laid out Drunk and passed out.
1981		Eble Campus Sl. Fall 5: laid out – incapacitation because of alcohol.
1996		Eble Sl. and Sociability 45: Among the synonyms for drunk are [...], invertebrated, juiced, laid out.