F.P.S.I.H
F. P. S. I. H is when your head is so sore from playing too much first-person shooter games that you swear you’re going to die from it.
I had F. P. S. I. H so bad that I started yelling at my screen like it was my enemy.
After that 10-hour gaming session, I had F. P. S. I. H and my head was on fire.
My friend got F. P. S. I. H and tried to punch the wall. He missed.