is the word for a person who has a big personality, but also a big behind. the person named jørund (boy or girl) is also very hairy certain places on his/her body. that may be a problem for someone/anyone.
Guy: Hey, check out that hairy dude with no boxers!
Girl: Yeah, that's sad. I bet it's Jørund.
Dude: Look at Jørund! He's got nice abs!
(Jørund turns around...)
Dude: Wooooaaaaaa.. That behind is so Jørund!