Arschgeige
(n, f) Mildly derogatory term mostly used in friendly settings. It can be translated to "ass violin". The term's origin is unclear.
de: "Ey, lange nicht gesehen. Wie gehts dir, du alte Arschgeige?"
en: "Ey, long time no see. How are you old ass violin?"
en: "Ey, long time no see. How are you old ass violin?"