I know a few spots, can't promise no boy racers however, unfortunately they see to be everywhere. Feel free to PM
A munch is a social gathering, nothing to do with dogging specifically. They are held all over the country, check out the sticky posts on the top of the Meet Up forum. There is one on tonight in the North West, but you're too late for an invte as the organisers will already be there. That reminds me, I must go soon too!