Top definition
When you hit an animal with the front / back of your car and blood splatters on the car, the animal has become bumper ketchup.
Person 1: Dude was that a rabbit you just hit?
Person 2: Meh, it's bumper ketchup now.
Person 1: It'll be a bastard to clean off though...
by Exce$$ May 16, 2008
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