The most fascinating part of this thread is the ones who are shocked, and have no idea what I'm talking about. Apparently I'm doing something wrong. Do you somehow have better aim than me? Or, does the substance coming out of you have different physical properties than mine, so it doesn't stick to anything? Or, are you so used to using the toilet brush that it doesn't even register in your mind as an issue?
If I think this is going to be the case, I lay a few pieces of toilet paper in the... erm... landing zone. It's not 100% effective, but I usually helps and can't hurt.
This is a good idea. I'm not sure how to identify the landing zone... usually it's the back, unless I remember to scoot forward a bit to try to aim better, in which case it generally ends up being the front.
But, your response implies that you can tell when it will and won't be a problem. How do you know? Something about the shape of the bowl, or the water level? Yes, this is a serious question.
Another thought: Thank god for the anonymity of the Internet. I have no idea how I would have addressed this issue in 1990.