The sound comes from Fortnite by Epic Games, the battle royale released in 2017 where knocking an opponent is a core mechanic before they can be revived by a teammate. The cue was designed to be heard clearly in chaotic fights, so players learned it within hours of playing. Clips of gameplay spread across YouTube and TikTok, and editors soon lifted the effect on its own as a meme sound for any kind of knockdown moment, in games or in real life.
About this sound
The short swooping effect from Fortnite that plays when you knock an opponent. Gamers use it in edits for fails, eliminations and funny knockdowns.
This is the instantly recognisable knocked cue from Fortnite, a fast descending whoosh that lands with a soft thud. In the game it confirms you have downed an opponent but not finished them, so it feels urgent and a little smug at the same time. Online, that timing makes it perfect as a punchline for someone getting humbled, tripping up, or losing an argument, because the sound alone tells viewers exactly what just happened without any explanation needed.