Many pages are sharing the following Meme at the moment
The only thing that’s true in that meme is that it is mind blown.
The idea comes from a modern game named Skyrim and was invented to make some guards have a conversation. There is no historical information that such an expression existed in Scandinavia in the Viking Age.
For more information see this link
This page was deleted by a mistake at the end of 2019. This blog post is from the old page and has been reposted on the new page.