Top definition
The act of waiting outside someones parked car to see if they leave their car open. If they do you run in after they leave, then you hot box there car. When they come back they'll think ninjas did it.
:Ay yo you here about those kids that ninja boxed my car?
:Yeah Fool those kids are from the swabbage patch kids they be keeping it treal dog.
by MR.Burns7530 June 28, 2011
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