Shaggin Wagon Share definition Flag Pimped out 60's - 80's van usualy comes with a couch, waterbed, strobe lights, lava lamps. Used for the specific purpose of getting laid and/or high. I love my shaggin wagon. It's McFreakin Pimp. Shaggin Wagon by WaCha McWang December 6, 2003 Get the Shaggin Wagon mug.