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1.
Grand-dogging:derived from the definition this is where people meet up in car parks and watch eachother having sex. Sometime other people join in, but its mainly about watching and getting off on it!

Except in Grand-dogging the participants are OAP's.
"The pensioner became highly addicted to grand-dogging."
Grand-dogging is a past-time enjoyed by the old age pensioner
by joelbyford October 17, 2010