I gathered up a diaper and the wipes and asked her to come and get changed. She dances back in with an old telephone receiver to her ear and informs me, "Not now, I'm on the phone."
"Oh, who are you on the phone with?"
"You called the poopies on the phone?"
"Yes. Hello, Poopies?" as she danced out again.
I was laughing too hard to argue.