Sitting in a vehicle alone in the parking lot of a grocery store or mall while staring at the people going to and from their own vehicles as they walk by.
Perving (or the appearance of perving) often occurs unintentionally when one tells his spouse / girlfriend / significant other, "I'll wait in the car."
Note: Also known as "Doing the Perve."
"Lisa, was that your boyfriend Steve I saw Sunday perving at Wal-Mart?"
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