A face having characteristics of baggy/tired eyes, acne break outs, oily skin, etc. due to staying up late studying for finals. Basically, you look like shit after studying for finals the night before.
dude1: Hey man, are you feeling OK? You look a little tired.
man2: Yeah, I'm OK. I just pulled an all nighter for my final today.
dude1: It looks like it. You got a case of Finals Face my friend.