the term refers to a long rolled out piece of bubble/full melt hash laid inside a joint or blunt. the hash, resembling a thick piece of spaghetti, usually a dark brown or black, is the "snake" in the marijuana "grass"
NOT recommended for novice smokers
W: "hold on a sec. im rolling the hash out. we gotta put the snake in the grass before we light it up"
J: "the snake. oh god. the snake will get you"
W: "the snake always gets you"