Place it at the peak of a failed push, after Enemy Spotted warns the team and before Bomb Has Been Planted raises the stakes, so the sequence builds from warning to alarm to explosion.
Über diesen Sound
This is the Scout from Team Fortress 2 shouting 'FIRE!!' in a short, urgent burst lasting under two seconds. It feels frantic and funny, like a teammate yelling for help in the middle of a fight, turning a small mistake into a loud, over-the-top alarm that makes the chaos feel even bigger.