When you get so repulsed by someone or something that your penis gets forced up and out of your groin so as to displace itself at least 400 miles away; as if it were a wizard from Harry Potter apparating.
Harry Potter: Last night was awful, Ron.
Ronald Weasley: Why? What happened?
Harry Potter: Moaning Myrtle showed up while I was in the restroom, and I got a serious case of the dissapering wizard.
Ronald Weasley: Why? What happened?
Harry Potter: Moaning Myrtle showed up while I was in the restroom, and I got a serious case of the dissapering wizard.
by Ronald Bringus Ph.D. September 8, 2015