Hamburg Slang used to replace explanations in hope the person you are talking to already knows what you mean. Also used to indicate analogies and avoiding telling the truth.
Kanacke A: “Kennst du ihn?”
Kanacke B: “ja, auf den. Er ist derCousin meiner Schwägerin dessen Onkel.”
"Auf Wiedersehen" is german and usally used as a "See you later."
You only use it when you willsee the person again.
Adults use it more often than younger people.
Person 1: "I have to gonow, goodbye!"
Person2: "Okay, auf Wiedersehen!"