Pronounced "Haing-over." Languidness, lethargy, inattentiveness, or love of bizarre Indonesian music leftover from an instance of consuming an unusually large quantity of marijuana. Basically a hangover but for weed.
"Jesus, I smoked enough weed yesterday to give me the wickedest highngover. In fact, I listened to so much Eastern music I have more like a Shanghaingover. Hee Haw."
by Dodge Nebula June 22, 2010