Anything related to or reminiscent of the Star Wars universe, including its themes, characters, lore, or aesthetics. Derived from George Lucas, the creator of Star Wars, the term is often used to describe media, ideas, or fan works that embody the spirit of his galaxy far, far away.
"The new sci-fi series is so Lucasian, it feels like it straight from a galaxy, far, far away!"
"Those sound effects? Totally Lucasian. Blasters, lightsabers, you name it."
"He’s got a Lucasian obsession with replicating Star Wars scenes in LEGO."
R2D2 humped C3P0 in a manner best described as being George Lucasian due to its inherent values shared by being associated with none other than the aforementioned person.