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An automobile component that can be found in virtually every car, foreign or domestic. Invented by Mortimer Ford(Henry Ford's illegitimate half brother or something), the hydroscillator's only known function is to allow vehicles to drive themselves in a semi-sentient manner. Although hydroscillator design varies, they are usually a fist-sized cylindrical device with two wires sticking out.

Featured on the ABC network expose' "When Cars Attack!"
Mechanic: "Well see here's your problem; your blinker fluid lines burst and shorted out the hydroscillator. While I was checking, I saw that your muffler bearings and flux capacitor needed replacing."
by gooberliberation April 03, 2007
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