A japanese practical joke where one sticks their fingers up one's behind. Is made even more popular from it's appearance in the popular anime known as 'Naruto', where Kakashi uses the technique on Naruto, addressing it as his "One Thousand Years of Death" technique.
You: Wanna se my new puppy?
Gorgeous chick: Ehm.. I don't think so..
You: But it's a Berner Sennen..
Gorgeous chick: WHAT? Great! Can I bring my girlfriends?
"look at that retard"
"shut up thats sennen"
"oh nvm then he is beautiful"
By Lynnett
Sennen
A wonderful person who is really sweet and hilarious, they’re always there for you and will do anything to help anyone. They are stunning and have a wonderful fashion sense and will look good in anything. They’re your dream partner and will always keep you happy no matter what
