T.H.P.S. (Tony Hawk Pro Skater) Syndrome is when someone playing a computer game explodes into a fit of rage when they feel they have been cheated out by the console (time has expired/score not achieved/game freezes/any other reason)
Dude: AAAAAARRRRRRGGGHH!! F**K!! &%$%*£*& DIE YOU PEICE OF S**T!!! AAAAARRRRRGHGGHH!!!
Dude 2: Whats with him??
Dude 3: THPS Syndrome
Dude 2: What?! Why is he smashing his 360 to bits!??
Dude 3: He almost completed Through The Fire And The Flames on Expert but the game crashed on the last few notes.