Brain fart sounds became a staple of meme soundboards as a shorthand for a mind going completely blank, and slowed versions spread because the lower pitch makes the joke land harder. This mega variant sits alongside the long brain fart and the fart with reverb in the same family of exaggerated flatulence effects used for reaction edits. It has no single confirmed creator or original scene, so its history is really online reuse, shared in short videos, gaming clips and classroom humour posts where a dumb moment needs an instant sound.