1 definition by gizzmo96

Usually celebrated around Earth Day when the weather is finally nice enough that you are able to drive with your windows down. This invariably causes all of the trash you have accumulated throughout the winter to start flying around the inside of your car until it flies out the open windows at about mach 1.3.
Scott couldn't hardly wait for Litter Day when the inside of his car would finally get cleaned out.
by gizzmo96 May 03, 2010

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