Guys peeing in public is gross. One time I saw a guy peeing by the garage door to my apartment building... it was the middle of the day, so I assumed he was drunk and too far from home. I went to the dairy (convenience store), then went back to my apartment, got in the elevator and this horrid species was standing there, in the elevator waiting to go up!... Why oh why could he not have waited just 2 more minutes? Disgusting.
In Thailand you have to pay to use so many of the toilets, and they dont even keep them relatively clean. Some parts of Cambodia you're lucky if you can find one... otherwise its out the back of the restaurant across the field to a bathroom thats used by everyone in the 2 mile radius... or there is just the field (but I think I mentioned that somewhere else).
I havent seen anyone peeing on the street in Korea, then there are so many little alleyways who knows what goes on.
Then in saying that I have had to do alot of drunken walking through buildings and arcades to find a toilet here, but they are out there!