The clip circulates under a plain file-style name that labels it as a weak explosion for Koopa, which is why it is usually filed with game and meme effects rather than movie booms. Short, low-impact blasts like this became popular in edited gameplay and meme videos because they let a creator puncture a dramatic moment without overwhelming the scene. It stays in rotation for fail compilations, parody battles and low-budget edits where a full explosion would feel too serious for the joke being made on screen.
About this sound
A short weak explosion sound linked to Koopa, with a soft pop and fizzle that creators use for small fails, minor hits and comedic defeats in edits.
This is a deliberately underpowered explosion, more of a muffled pop and sputtering burst than a big cinematic boom. The hit lands quickly, then trails off with a weak fizzle that makes whatever just blew up feel small, cheap or badly timed. That contrast is the joke, because the visual promises destruction but the audio delivers a damp squib. Editors use that letdown to undercut a character, object or plan at the exact moment it fails, turning a supposed threat into something instantly pathetic and funny without needing any dialogue or extra explanation.