O insulto ao qual você está se referindo realmente ocorreu em Dune Messiah .
He obviously sensed the tensions building between Paul and Stilgar and was disturbed by them.
Stilgar shook his head from side to side. Pulse-synchronizer? Why would Paul wish him to use a mnemonic flutter-system on a shigawire projector? Why scan for specific data in histories? This was mentat work! As usual, Stilgar found he couldn’t escape a deep suspicion at the thought of using a projector and attachments. The thing always immersed him in disturbing sensations, an overwhelming shower of data which his mind sorted out later, surprising him with information he had not known he possessed.
“Sire, I came with the Zabulon computations”, Stilgar said.
“Dehydrate the Zabulon computations!” Paul snapped, using the obscene Fremen term which meant that here was moisture no man could demean himself by touching.
“M’Lord!”
“Stilgar”, Paul said, “you urgently need a sense of balance which can come only from an understanding of long-term effects. What little information we have about the old times, the pittance of data which the Butlerians left us, Korba has brought it for you. Start with the Genghis Khan.”
* Ênfase adicionada
Aparentemente, a palavra desidratar é um verdadeiro não-não em um planeta onde todos têm que beber seus próprios sucos corporais para se manterem vivos.