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RCSM is an acronym that stands for "Rain City Superhero Movement" -- a Seattle-based organization of real-life superheroes. A small group of real life men and women use pseudonyms and dress up in comic book-style costumes based in the Seattle, WA, USA area, they are led by Phoenix Jones and are noted for having stopped a small but noteable number of crimes in the region.
- "Hey. Did you hear how Phoenix Jones of the RCSM stopped a car thief in the act?"

- "No way! Really? He and other members of the Rain City Superhero Movement really are superheroes, huh?

- "Yeah, they are!"
by Dag Gummit April 19, 2013
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