What's the Hottest/kinkiest activity excluding sex that you've done?

I was stopped on afternoon by a neighbor when I was checking the mail. She had seen me giving my ex wife a golden shower on our back porch the previous weekend. I was worried at first but she was just very curious She was interested in trying it but her bf wanted no part of it. She wanted me to help her out with her curiosities but wanted no touching, as she felt like that would be cheating. Later that afternoon we met in the woods behind our houses and I gave her what she wanted. She was much younger than I and had enormous tits. We both partook of each other's delightful deluge and ended with some mutual masturbation.