In the UK and some other countries, “dogging” refers to engaging in or watching sexual activities in public places, often in car parks or secluded outdoor areas. It typically involves exhibitionism and voyeurism, sometimes with strangers.
Quite why a woman (who believed her account was anonymous) went on a Blackpool Facebook site to enquire about dogging in Wareham can only be guessed at. However, I suspect she wishes she hadn’t. Or perhaps not.

Perhaps she should have checked the following and saved herself time and money.