piking noun a voyeuristic and sexually gratifying act of furtively watching couples have sex outdoors UK A peripheral term from the UK’s DOGGING
THOUSANDS of couples indulge in dogging and piking in car parks and woodland. — TheMirror, 2 March 2004
The operation was started after complaints about a plague of people using the car park for so called “dogging and piking” antics. — ManchesterEveningNews, 24 February 2006