machine gun turd
you’re shitting and you let out a bunch of farts so fast it sounds like a machine gun, just to be extra annoying
I was crapping and I let out like five farts in a row. It was like a fart machine gun.
He was taking a dump and let out a whole row of farts. It was ridiculous.
She was going number two and let out a bunch of farts like she was a machine gun.