I once did it in the back of a car with a HB8 in the main car park of the local police station - I must of been totally mad, it was hell of risk, but one hell of fck too !!
We were on the way home from a great night out at club and were hot & horny as hell. On the way home, I nearly ran over this drunk guy in the middle of the road in the dark. As the the local police station was just down the road I stopped to report it as I was worried that he might get run down by another car. This was a large police station with a big car park for over 100 cars and it was in the days before all this security (s)hit we have these days, so the car park was unwatched by CCTV etc. I had to park down near the rear as the car park was quite full and it quite dark down there. When I came back to the car HB8 was already in the back and half naked - she wanted me there and then... God, what a session. A heavy dose of pure sexual lust and total blind fear of getting caught ! We didn't get caught, but boy I was a sweating like a pig and shaking too as we drove off
They reckon you should do one thing dangerous every day to expand your comfort zone - I did a year's worth all in one evening !!
One for the old memory banks...