My brother sent this to a bunch of us on Facebook last week, and I only just got around to watching it. Holy acid trip gone bad, Batman! This is the craziest song (and vid) I've seen in a very long time. For those of you who haven't come across it already, it has to be seen to be believed:
Before you start asking what drug they're on (and where you can get some), I should probably point out that Ylvis wrote a bad song on purpose -- after agreeing to do so on a talk show. I think they were more surprised than anyone when it became a massive hit on YouTube.