Noder neder is a phrase in Hebrew. Noder stands for "I swear", neder is like an oath, a vow. You can use it when someone doesn't believe to something you say and you tryna make him believe you. Also, you use it when something good happens and you wanna tell others. Another use is when someone is trying to prove a point.
1. Bro, noder neder, I didn't steal that money!
2. I won the match, noder neder!
3. I didn't understand, noder neder, what a tasbich
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.