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The thorough cleaning of the inside of one's automobile. People who have children are in more regular need of a car douche than people who do not have children. Also, cars where sloppy sexual acts or extreme violence take place would be in more need of a car douching.
"My son and his friend from little league just made a snuff film with a circle jerk scene in it. Time for a car douche.
by BustaNutt April 16, 2011