Quote from Joey in The One Where Chandler Doesn't Like Dogs
Joey: All right, Rach, the big question is, does he like you? Because if he doesn't like you, this is all a moo point.
Rachel: Huh. A "moo" point?
Joey: Yeah. It's like a cow's opinion. It just doesn't matter. It's "moo."
Rachel: Have I been living with him for too long, or did that all just make sense?