Team Fortress 2, released by Valve in 2007, made random critical hits a core part of its combat, dealing triple damage with a much louder, more distinct impact sound than normal attacks. That audio cue helped players instantly recognize danger in chaotic fights. As TF2 clips and montages spread on YouTube and later short form video, editors began lifting the crit sound on its own for comedy damage in other games and real life clips. It remains popular because longtime players recognize it immediately, even without any TF2 footage.
Über diesen Sound
The sharp crack and metallic clang heard when you take a critical hit in Team Fortress 2, used for sudden damage, fails and painful surprise moments in edits.
This is the unmistakable critical hit feedback sound from Team Fortress 2, a loud layered impact that lands in about one second. A harsh crack hits first, followed by a ringing metallic clank that feels much bigger than a normal bullet or melee strike. In game it instantly tells the victim they have taken triple damage and are probably about to die. Out of game that same exaggeration makes it funny, because viewers hear the pain before they fully process what happened on screen.