There is not enough reliable source information to tie this clip to a specific film, show, game or creator. Sounds like this spread through soundboards, meme edits and short-form video because they are useful, fast and easy to layer onto visual gags. A plop effect stays popular because it fits many situations: dropped items, awkward reactions, soft impacts and joke reveals. Its simplicity is the reason people keep reusing it, especially in prank and reaction-style content where a tiny sound cue can sell the punchline.