Scott Disick Says Kim Kardashian Has a "Big Butt"

On Sunday's episode of Keeping Up With the Kardashians, Kim and Kourtney play poker and place a bet: The loser has to be the other person's "bitch" for the day.

Kourtney, 31, winds up winning, prompting Scott Disick, 27, to yell in Kim's face: "Looks like someone's the big butt-bitch-ler boy for the day!"

Watch Keeping Up With the Kardashians Sunday at 10 p.m. (EST) on E!