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1.
A nickname for Rochester, NY used mostly amongst Rochester natives. Indicates their fondness yet slight disdain for the city.
Hey, we should go back to Rochacha this weekend and catch the laser show at High Falls!
by crazygal55 January 15, 2005
 
2.
A slang term for Rochester, NY.
I'm heading back to Rochacha this afternoon.
by echinoderm July 18, 2009