I thought research along these lines was banned by the UN? They are playing with fire.. This is from a documentary about a WMD from WWII:
Colonel:
All through the winter of '43 we had translators working, in joke-proof conditions, to try and produce a German version of the joke. They worked on one word each for greater safety. One of them saw two words of the joke and spent several weeks in hospital. But apart from that things went pretty quickly, and we soon had the joke by January, in a form which our troops couldn't understand but which the Germans could.
Cut to a trench in the Ardennes. Members of the joke brigade are crouched holding pieces of paper with the joke on them.
Voice Over:
So, on July 8th, I944, the joke was first told to the enemy
in the Ardennes...
Commanding NCO:
Tell the... joke.
Joke Brigade:
(together)
Wenn ist das Nunstruck git und Slotermeyer? Ja!...
Beiherhund das Oder die Flipperwaldt gersput!
Pan out of the British trench across war-torn landscape and come to rest where presumably the German trench is. There is a pause and then a group of Germans rear up in hysterics.
Voice Over:
It was a fantastic success. Over sixty thousand times as powerful as Britain's great pre-war joke...
http://www.jumpstation.ca/recroom/comedy/python/joke.html