Wenn ist das Nunstrück git und Slotermeyer? Ja! Beiherhund das Oder die Flipperwaldt gersput!"

From, "The Funniest Joke in the World' from Monty Python's Flying Circus, on a lethal joke which supposedly caused havoc during WW2.

An English translation could be below....gibberish:

"If is the now-piece (git) and (Slotermeyer)? Yes! dog that or the pinball wood"!