Todd: "Kelly yelled at me for like an hour yesterday because I forgot to put one of her bras in the dryer."
Jim: "Jeez, what a bitch."
Todd: "No, it's worse than that. Afterward, she tried drying it herself -- in the microwave."
Jim: "Whoa, you're right -- she's a byortch!"
a variation if the word bitch; "byotch" is regularly said on the movie mean girls. it's a way to insult slutty girls that take your boyfriends, walk around thinking they're cool, or have decieved one of there friends in a mean way.