Green’s Dictionary of Slang

(drugs) a cigarette of crack or base cocaine, mixed with marijuana and wrapped in a cigar leaf.

1989		(con. 1982–6) T. Williams Cocaine Kids (1990) 138: woollie cigar leaf filled with crack or base.
1992		T. Williams Crackhouse 152: woolah cigar with tobacco removed and filled with marijuana and crack-cocaine-freebase.
1995		(con. 1985–90) P. Bourjois In Search of Respect 112: So I tell him, ‘How do you smoke this? Put it in the pipe; or do you smoke woolas [a crack and marijuana mixture]?’.
2000		Ebonics Primer at www.dolemite.com 🌐 wooly Definition: blunt laced with white lighting, dust or similar Example: Pass the wooly on the left-hand side.
2001		ONDCP Street Terms 22: Wollie — Rocks of crack rolled into a marijuana cigarette or in a cigar [...] Woolah — Hollowed out cigar refilled with marijuana and crack [...] Woolas — Cigarettes laced with cocaine; crack sprinkled on a marijuana cigarette [...] Woolies — Marijuana and crack or PCP.