1 definition by NoahCG

A car driven by a Baby Boomer that is (or will soon become) a hazard on the road.
So named, because the person is too old to drive and will result in a crash "Boom"!
While driving on the Freeway, we saw a Boom Car being driven erratically and it wound up in a crash.
by NoahCG February 3, 2009
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