Definition of bluescreen:
(v) :
(intransitive, computing) To experience a stop error and shut down to prevent damage to system hardware.
(v) :
(informal, by analogy) To emotionally shut down, such as in response to a traumatic personal crisis.
(n) :
Alternative form of blue screen. [(film) The filmmaking technique of shooting foreground action against an evenly-lit monochromatic background for the purpose of removing the background from the scene and replacing it with a different image or scene.]