1 definition by greater good

fart, flagalance, to bust ass, pretty much when you blast a fog horn in your pants and crop dust a layer of fog behind you creating low breathabilty possibly causing nausea leading to poor visability
After Betty destroyed the bathroom, she walked down the hall leaving a musky layer of butt fog causing fellow co workers to feel sick.
by greater good August 1, 2012
Get the butt fog mug.