big room

from Jargon File (4.4.4, 14 Aug 2003)
Big Room
 n.

   (Also Big Blue Room) The extremely large room with the blue ceiling
   and intensely bright light (during the day) or black ceiling with lots
   of tiny night-lights (during the night) found outside all computer
   installations. "He can't come to the phone right now, he's somewhere
   out in the Big Room."
    
from The Free On-line Dictionary of Computing (8 July 2008)
Big Room

   <jargon, humour> The extremely large room with the blue
   ceiling and intensely bright light (during the day) or black
   ceiling with lots of tiny night-lights (during the night)
   found outside all computer installations.  "He can't come to
   the phone right now, he's somewhere out in the Big Room."

   (1996-03-04)
    

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