i was just kinda referring to this: http://en.wikipedia.org/wiki/Norm_(sociology) if you go to a black tie event wearing a black tie, you are dressed normally
An experience of life which is common to everyone elses. A common physical interaction with the world or mental thought process that is similar to everyone elses. Not the official definition, I just took it off the top of my head. There is no normal anyways, because its impossible to establish. You would have to ask everyone there is what they did today, and how that made them feel. The results would then have to look similar between everyone in order for normalcy to be established. Its an impossible feat. Not only that think of all the people actually trying to defect from normalcy. They purposefully try to be different because they don't want to be the same as everyone else. Its un-attractive in the human mind to be normal, thus it will never be possible. Unless hitler had his way, haha.
It's normal, while living normally, in a normal community, not to strangle someone to death and hang their intestines from a tree, at least not every day.