Top Definition
1. A sudden feeling of intense dread associated with the Toyota Prius hybrid automobile.

Owners of the formerly chic enviro-friendly car now live in fear that their vehicle will suddenly accelerate out of control, propelling them over a cliff.

2. The scourge of the Toyota PR Department. Whether true or not, millions of people now believe that the Prius is a dangerous car.
"My wife insists on driving my old Chevy Mailbu to work now. She's got a bad case of Prius Panic."
by Peter Kobs March 11, 2010

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