Grey's Anatomy - 6.10 "Holidaze"

Cristina: “Private lessons with the Chief. Man, those daddy issues are working for you.”
Meredith: “I don’t have daddy issues. He’s teaching me.”
Alex: “You’re his bitch!”
Meredith [to Cristina]: “Well, in that case, you’re Teddy’s bitch!”
Alex: “Maybe that’s my problem. I’m nobody’s bitch!”
Cristina: “You were Izzie’s bitch.”
Alex: “You’re the bitch!”