The sensation or lack thereof that is attained from sitting for long periods of time staring into your computer monitor for data maintenance purposes
I've been sitting here so long, I can't feel anything below my neck, and above only a slight tremor in my eyes...I'm totally datafaced.
The overall lack of body sensation achieved from a long period of time interfacing with your computer screen and its contents.
After an eight hour shift of managing database: "Holy Shit! I have dataface!"