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Portmanteau of the words 'Perth' and 'Pathetic', pronounced Perth-thetic; in reference to the state of social existence or general attitudes of residents in the city of Perth, Australia. Often associated with laziness or an extreme 'Ho-Hum' demeanor.
-What do you mean you're closing at 4:30?! The sign says you're open till 5. That's just Perthetic

-The drivers here are perthetic! Doesn't anyone actually care about getting to where they're going? Hey Jerkass! The Overtaking Lane is for Overtaking!!!
by Sneaky Tiki March 09, 2011