This clip comes from Kaiju Paradise, a Roblox multiplayer game where players take on the forms of kaiju creatures and fight in shared arenas. Attack sounds like this one are commonly clipped from gameplay and reused by players and editors who want a recognisable Roblox combat cue without recording their own audio. Because it is only a few seconds long and lands with the force of a punch sound, it fits neatly into short videos, memes and highlight reels, which is why it keeps circulating in Kaiju Paradise edits long after players first encounter it in game.