1 definition by Guinness Book of World Records

Top Definition
1. The occurence when no other vehicles are around to see you run or roll through the stop sign.
2. Condition of a stop sign or light when one does not care what the other asshole motorists think when he or she has failed to stop.
passenger: You totally blew through that intersection without stopping. Aren't you worried you'll get caught?

driver: The sign was stoptional.
by Guinness Book of World Records April 21, 2009

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