A Rupert is a dude that could never become a John. The arch nemesis of a John (Johnanation). A Rupert is typically one of those guys you see who thinks he's a bad-ass dude but he's really just an asshole and nobody likes him. Ruperts usually come from Broseville and have lots of their dad's money.
Chandler: " Hey, John, hows it going?"
Travis: "There's a Rupert at the bar, being a dick"
by defeationjoe April 06, 2010
The 10th planet in our solar system.
A bunch of aliens with amnesia live on Rupert.
by joyjoy July 07, 2003
Coloquial expression referring to the ass hole
"That sonofabitch has his head up his rupert"
by Dick Fondla April 28, 2003
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