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(Historically accurate): Name of a negro slave from the Civil-War time period of American History.
Racist Slaveowner: Jupiter get your ass over here before I whoop ya'!
Other Racist: Why'd y'all name your negro Jupiter?
Racist Slaveowner: It's powerful sound and reference to Roman god of all gods, also revered as Jove, instills some pride in me when I call his name.
by Dutch May 02, 2003
The biggest ball near Uranus
Jupiter is usually your left nut
by Jepetocavale October 20, 2006
adj: Large or incredibly awesome. The best.

Eric: I had us tickets to a Van Halen show but they were stolen.

Shane: Jupiter! I love Van Halen I can't wait!
by et87 April 25, 2009
A city north of West Palm Beach, FL, located at the top of Palm Beach County. A great place to live. Lots of great restaurants as well.
Lets drive to Jupiter.
by Jackie January 17, 2005
Biggest planet.
I can see Jupiter with this telescope!
by Kikaider June 27, 2003
One of the most famous pieces written by Gustav Holst (the 4th movement of a seven-movement orchestral suite by Holst)
Jupiter is totally ballin'.
by *subject name here* January 29, 2008
The largest known planet in the Solar System, with gravity about 2 times larger than earth and has a famed huge storm area known as the big red spot.
Jupiter sure is one big planet!
by Sirius123 May 08, 2007
A big planet.
Jupiter is a big planet.
by NotSuchaSmartGuy January 29, 2003