A Bjørn is a person of unbearable coolness. Not a synonym for god, but a tier higher. A Bjørn usually walks all over Sammys. Also they are adept at musical comprehension and martial arts. Always spelled with a capital letter, to emphasise importance.
dude nr.1 "Wow, did you see that? Some dude just trod on a Sammy, shredded a wild solo and did Shaolin Mantis Kungfu on some other dude!"
dude nr.2 "It must be a Bjørn"