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any member of the cult following of either Stargate SG1 or Stargate Atlantis. these people can get very scary with their obsessiveness. usually pretty smart, but seem to have an infinite amount of useless knowledge.
Carson: What'd you do last weekend?
Janet: I totally skipped church for a Stargate marathon!
Carson: OMG!!! You're a gategeek! get away!
by Chelse Beckett February 07, 2008