Top Definition
It is the elevated form of duper. Kinda like charmander to charzard. Its that kind of leap which establishes Jupiterdupiter above just duper itself. At duper you may feel as high as the moon, if that, but when at Jupiterdupiter levels, ur actually one of Jupiter's 63 known moons.
Stoner 1: "Yo, wanna blaze."
Stoner 2: "Nah, I've got class, I'm not trying to get Jupiterdupiter."
Stoner 1: "Come on man."
...10 minutes later
Stoner 2: "Yo, I'm sooo Jupiterdupiter."
by Barbeskeee March 29, 2011

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