Yeah I did a few weeks ago. I had a Test shot the night before and I was walking around with a hardon ALL fricken day and it was getting to be a pain so I went in the bathroom and rubbed one off. It was more or less a self medicated procedure.
Back when I was 16 and working at an office doing some DB analysis for a very small company I was the only one in the office quite often for 3-4 hours at a time and I was 1 horny mofo. I'd go to the bathroom 2 or 3 times to rub one off every now and then. It didn't help that the secretary that worked there was a complete milf.