Top Definition
n. Derogatory nick-name for the Maryland State Correctional System Work Release Program, also known as the Baltimore Ravens. The name can also be in reference to the puerile, quick-tempered, and monumentally mean-and-nasty fans of the above. Ratbirds fans don't really like the Ravens; they just hate the rest of the NFL, and are nototious bandwagon fans.
That Ratbird fan just stole my little girl's terrible towel and wiped his butt with it! And to think they accuse Stillers fans of being rude. Ratbirds fans are a real piece-of-work!
by Dan Weyandt September 19, 2010

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