Programmer's interface

[Magaret]

Often used to describe the way a [programmers] face looks after little or no sleep over a prolonged period of time.
Can also be used to descibe a programmers face after spending more than 5 days inside, in front of a computer.
[Programmers] Interface usually includes:

[Dark circles] around the eyes
[Bloodshot eyes]
Pale skin
Stubble (if male)