1 definition by John M. S.

To allow for more than the maximum suggested persons to ride in a car, as clowns do in the circus. Generally when there are more people in a car than there are seats.
"Damn its cold outside, the 8 of you guys shouldnt be walking, get in my whip, we'll "clown-car" it tonight.
by John M. S. November 18, 2007
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