I’m not usually given to posting (let alone taking) quizzes, but I couldn’t pass this one up.

German
Dummkopf! Vei shpiek ju not GERMAN? Ju mast komplei
and tschensch jur kurrent Lenkwetsch reit nau!

What language are you supposed to speak?
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This is cool because I speak some German… but it’s even more funny because my German-speaking skills are VERY rusty.