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1.
A swaggin' suburb in South Florida near West Palm Beach, averaging ten miles off the shore. Full of ugly chicks, and the few that aren't bad are stuck-up.

Commonly abbreviated as RPB.
Guy 1: Hey, do you want to stop by Royal Palm Beach on the way to South Beach and try to pick up chicks?
Guy 2: Nah, bro, I heard that RPB is full of butt-ugly chicks. There's definitely a reverse grenade effect there.