Green’s Dictionary of Slang

experiencing the effects of an excess of drink or drugs; thus zorch out v., to drink heavily, to take drugs.

1954		Hepster’s Dict. 12: Zorched – Enthusiastic.
1967–8		Baker et al. CUSS 227: Zonched Drunk.
1986		J. Ellroy Silent Terror 198: I scored a half-dozen 1 1/2-grain Seconal. Night four—dingy, zorched, whacked-out and fried from 108 hours of continuous consciousness.
1999		J. Ellroy ‘My Life as a Creep’ in Destination: Morgue! (2004) 128: I zorched out on 50-cent drinks.
2001		(con. 1964–8) J. Ellroy Cold Six Thousand 111: Janice toked up for parties. Janice shared with the help. You had zorched valets.
2004		J. Ellroy ‘Jungletown Jihad’ in Destination: Morgue! (2004) 377: He’s a zorched-out Zionist xenophobe hopped up on home security.
2023		(con. 1962) J. Ellroy Enchanters 61: She was zorched out of her gourd.