skoofer, n. — Green’s Dictionary of Slang

skoofer n.

also skoofus, skroofus, skrufer

[ety. unknown; ? link to skuif n.]

(US black/drugs) a marijuana cigarette.

1972		E. Folb Urban Black Argot 145: Skoofer / Skrufer / Skoofus / Skrufus a marijuana cigarette.
1977		J.L. Dillard Lex. Black Eng. 96: Folb’s study of urban argot showed that ‘only three of eleven marijuana items were known exclusively by Black subjects’: gunny, skoofer, and stencil.
1980		E. Folb Runnin’ Down Some Lines 171: A marijuana cigarette [...] skoofer, skoofus, skroofus, or dubee.
1986		Spears Sl. and Jargon of Drugs and Drink 458: skoofer (also skofus, skrufer, skrufus) a marijuana cigarette.