Top Definition
A vehicle that appears out of thin air, completely parallel to your car, the moment you start to change lane.
I tried to change lane, looked in the mirrors and everything, but as soon as I started, a ninja car suddenly WAS there and blocked me. It came from nowhere!
by FDaihatsu August 18, 2010

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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