Phrase originating from the Simpsons, used in response to fans pointing out plot holes, continuity errors, and any mistakes the animators or writers may've made.
Voice Actor: "Whenever you see something strange with continuity, a wizard did it."
Fan: "But when-"
Voice Actor: "a wizard did it."
Fan: "But when-"
Voice Actor: "a wizard did it."
by Fats McRobot November 17, 2004