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While smoking marijuana in groups of three or more individuals, sitting in the center of the rotation and suffering from the inability to recall the direction of which one should pass the pipe (blunt, joint, etc.) is referred to as Middle Stoner Syndrome.
Joe: "Who passed this to me?"
Ben: "I did, it goes to Rick. I've told you three times now."
Joe: "Sorry, man, my Middle Stoner Syndrome is flaring up."
by D'Kevin January 22, 2012