From the two year old set:
Said while I was helping him use the restroom: "Mommy! You're holding my ceiling too tight!" He stands on my feet and uses the potty. Apparently I was holding his neck too tightly.
From the seven year old set:
My daughter said, "Watch this part of the Barbie movie! It's really funny!"
My seven year old (boy) responded enthusiastically, "Is it about burping?!?"