"He's a three P-O," they say, meaning that such a person surrounded himself with cheap copies made from declasse substances.
So says Frank Herbert in Heretics of Dune, and the reference is obvious:
So is the insult. When Star Wars came out in 1977, the similarities were abundant and generated some commentary. Interestingly, Herbert wrote another Dune book, God Emperor of Dune, after Star Wars came out and made no mention of the Lucas' successful doppleganger, only inserting this jab after 1983's Return of the Jedi. Apparently Jabba the Hutt was too on-the-nose an imitation of the God Emperor Leto. From Justine Shaw: