>>>... the tale never gets any further than that till she stops saying "yeah" in every clause.
>>
>>That sounds a lot like the word 'Okay', over here. Here it would be.
>>Daughter: "There's this kid, okay?"
>>You: "Okay." (and walks away).
>>or even better,
>>You: "No. I have to disagree."
>
>"..., you know what I mean."
>"No, actually I don't. But you'll explain."

Similar to someone starting a conversation with "You know what?".
I usually reply, "Yes, I do."

Or, when someone says to you, "Guess what!". Answer: "42?". Which will often get you a "What?"