goof butt; goof-butt; goofy butt noun a marijuana cigarette US,1938 A combination of GOOFBUTT
And marijuana has legal standing, so the next time some fifteen-year-old sucks a goof butt and walks through a glass patio slider, me and the other old hippie selling nickel bags are defendants in a gigantic class-action lawsuit[.] — Mike Gray, Busted, p. 194, 2002