When Francine and Roger fall and meet the tribe, one of the actors shouts "Stel Y-trap! Stel Y-trap!" "Lets Party!" Backwards
Roger says the fake language is called "Sdrawkcab," which is just the word backwards spelled backwards.
The sequence of still-shot (after Roger poses for Selfies on his trophy-car) is censored on German Television.The reason is not known.
One of the tribesman (touching Francine's hair) says, "Blonde hair," backward.