However I think this description has got the events wrong. From pictures I have seen, they seem light-hearted to me, not serious at all, the participants happy to be involved. [from Atilan]
A couple of my online friends had some pretty interesting stories to tell about similar events that happen when students graduate from secondary school. It's know as 'russetid' and I just bet that most every young man (and woman) has something evocative story related to that event. It sounds a helluva more exxxciting than what US teens go through during the single night of 'Prom.'
You can read more about it in Jo Kristian's blog recently when he interviewed QueerJames, another former blogger and fellow Norwegian friend.