to constantly tinker with something.
Also: Lucas (noun) - someone who is never satisfied with something. someone who always strives for perfection, even though the final outcome is not always the best. Someone who should leave well enough alone. (see George Lucas & Star Wars)
Jimmy kept lucasing his final architecture model, until it finally caved in on itself.
by Hey, Strange May 6, 2008
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Whoring out oneself or one's creative output like a two dollar prostitute during Fleet Week. From George Lucas, American film director, writer of Star Wars and general whore.
"I can't believe the amount of Rolling Stones' tunes on commercials these days. They are really Lucasing in their old age."
by Puptentacle Zappa March 6, 2009
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Lucasing; to Lucas; Lucased.

The undergoing of tasks in an unorthodox or incorrect order; such as George Lucas (hence 'Lucasing') releasing the Star Wars films in the incorrect numerical order i.e 4,5,6,1,2,3 instead of 1,2,3,4,5,6.
James: "Hey Clive. You sorted that essay yet?"
Clive: "Yeah, I just did questions 1 and 5 today."
James: "What about 3 and 4?"
Clive: "Oh, I haven't done them yet; I've completely Lucased it."
James: "Yeah, you're such a Lucaser."
Clive: "What about you?! You're the Lucasing MASTER!!"
James: "Yeah. I AM Lucas."
by Straus March 12, 2006
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When a director of high acclaim returns to filmmaking after a long period of absence or streak of success; and releases a disappointment. A lot of it is due to ego, or plain just getting rusty from not directing for a long time. Most notably; George Lucasreturned to the director's chair 21 years after the original Star Wars, to direct The Phantom Menace. "Phantom" was so overloaded with unnecessary CGI, and weak acting, and last but not least Jar Jar Binks. The Wachowski Brothers are another example. With such high expectations after the astounding The Matrix, they started showing breaks in their armor with The Matrix Reloaded, while mostly watchable, which then led to the letdown of all letdowns, The Matrix Revolutions.
"It's been 10 years since James Cameron had a real movie in theaters, I'm crossing my fingers he doesn't get Lucasitis when directing Avatar."
by Dr. Claw June 20, 2008
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A moment in general classroom banter where one of the participants says something either completely off topic or otherwise retarded

Can also be used when a participant does not have a suitable retort to an insult and simply replies with something along the lines of 'oh, fuck off'
'What was the point in saying that, that's such a lucasism'
by One-winged-anal November 29, 2016
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To take something with a lot of potential and turn it into complete crap.
The Star Wars prequels were a complete Lucasism.

The show Heroes had a lot of potential, but the writers had so many Lucasisms it's just a big mess.
by Derk and Shawn February 4, 2009
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When a director ruins a classic film by retouching it years later.
Director Steven Spielberg lost all credibility when he lucased the movie E.T.
by M Brake November 3, 2006
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