答案：

He bailed.

参考：

Friends S01E15:

[Scene: Monica and Rachel's, Monica is on the phone. Rachel walks in and overhears the conversation.]

Monica: (shouting on phone) Wendy, we had a deal! (Listens) Yeah, you promised! Wendy! Wendy! Wendy! (hangs up)

Rachel: Who was that?

Monica: Wendy bailed. I have no waitress.

Rachel: Oh... that's too bad. Bye bye. (she walks away towards the door)

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