1 definition by AnonymousLad8273

Top Definition
A town in New Jersey known to be filled with wealthy families. Rio Vista, a housing development in the town, boasts homes, never worth under $1,000,000. The School System has 3 elementary schools, one middle school, and one high school. This town is about a half-hour's drive to New York City.
Person A: I am moving to Mahwah.

Person B: Ooh! Fancy!
by AnonymousLad8273 March 08, 2011

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