when a person gets so mad and toxic they will inflate their body and proceed to let out the biggest, the loudest fart ever.
It's also used to curse fat people.
A supposed insult that office PC users use to mock their best friend's weight when they get yelled at in a Fortnite game. The exact meaning behind the phrase is still unknown due to the creator's refusal to explain himself, but many assume it refers to massive gastric inflations in one's body.
Friend: "I told you to revive me."
Office PC user: "I couldn't hear because of your fatassholefarting toxic!"