This sound does not have a clearly documented single media origin, and it is mostly known as a meme-style edit sound used across short-form videos and soundboards. Creators use brain fart clips to represent a mental lapse, a bad idea or a sudden loss of words. Its popularity comes from how instantly recognizable the joke is: the noise turns confusion into a punchline in one beat. It often appears alongside other simple reaction sounds such as a buzzer or fart with reverb in meme edits.