When I was in Hawaii I was at the beach and decided that I wanted to go for a walk, and I walked around for about three hours before I realised that I needed to go to the bathroom. I went to a hotel on the beach and searched for the bathroom for a good 20 minutes.
When I found the bathroom I finished what I needed to do and figured I may as well wack off. Just as I was beginning I heard a loud fart beside me, thinking nothing of it, because nobody knew me there I was going to make as much noise as I felt like, which wasn't very much.
Right when I was hard enough to go at it good, I looked at the floor, which by the way was very very clean marble, and I could see a crisp reflection of the guy in the next stall, and it turned out that his arm was moving quite a lot, so he was obviously jacking off.
I made it obvious that I was doing the same thing and I couldn't really make out his face but I could see by his legs and feet that he was probably under 30. I kept looking at the floor to see if he was still jerking, and he was, and right as I looked one time I could see he was looking right back at me. That got me really excited and almost made me blow my load right then and there, but I held it back because I wanted to be there until he was done, I leaned forward a little bit when I could see he did, because I thought he was getting ready to leave, and thanks to the shiny floor I saw his cock, which had to be at least nine inches. After about 15 minutes I blew my load and went up to wash my hands. There was a bathroom attendant, so I couldn't just take my time and stand around waiting for him to be done, so I left the bathroom and sat down in a chair that was in the pathway to the bathroom. It was a good ten minutes before he came out of the bathroom, I only knew it was him because of his shoes and shorts. When I saw his face I almost popped up in my pants again, he was a college jock, one of the hottest men I have ever seen.
If you are reading this thanks for the show. I will remember that forever.