An accident, usually involving a mechnaically-propelled vehicle, which is sufficently serious to require the attendance of all emergency services; police, fire service, paramedics, tow truck, and in extreme cases a mortuary van.

The perpetrator of the incident is said to have "collected the full set".
"Sorry I'm late, some idiot in a sports car had decide to collect the full set on the exit ramp of junction 15"
by eighthofseven January 20, 2008
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