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A psychological effect from playing too much Call of Duty or other similar FPS games. Usually includes dreams of being fragged, shot at, or randomly waking up screaming in the middle of the night.
John: Hey Tom you look tired today!

Tom: Yea I have Call of duty PTSD. I got fragged again last night in my dreams

John: Thats a shitter, Tom, a real shitter
by helios655 April 23, 2010