From video game culture. When your emotions stop you playing your A-game.
An analogy to the tilt mechanism in pinball: if you bump a pinball machine too hard, it will light a "tilted" message and refuse to work properly, throwing the game.
He lost half his
HP in the first 30 seconds which was bad, but that got him tilted and he just
YOLOed five enemies, a battle he couldn't possibly win.
