In many countries in Eastern Europe, Asia and elsewhere, men are obliged to sign on to the military, or as reservists. Often this involves an embarrassing medical examination, where men must undress with very little privacy in front of female staff. Lots of photographic and video coverage from the media can be found online. It makes me wet to see young men forced to strip to their boxers in groups, often in front of young female members of staff, sometimes completely unnecessarily e.g. for opticians' or dental check-ups. I love to think about how vulnerable the men must feel, their bodies being treated like objects, as women inevitably look on and enjoy the sight.
I like to fantasise about being one of the nurses at these examinations. I think I would very subtly flirt with the guys, and make them aware I was checking out their bodies. I'd love for a guy to get a boner in front of everybody, and be completely helpless and unable to hide in wearing only their underwear. Given how many millions of men have gone through this processes, it seems inevitable this must have happened multiple times.