The Acronym used for the condition known as a First-Person-Shooter Induced Headache,which is a headache that is induced from playing too much first person shooters in one sitting.
Kyle: Hey Ken, you wanna play some Modern Warfare 2?
Ken: No thanks man, I got an F.P.S.I.H from playing it this morning.
Ken: No thanks man, I got an F.P.S.I.H from playing it this morning.
by ITSAP3RS0N June 15, 2010