Kind of reminds me of a conversation I overheard with a two-year-old and her mom in the store a couple of months back. She was trying to climb out of the cart and her mom kept re-seating her. Kiddo took to shrieking every time Mom touched her. Finally exasperated Mom says to her "look, I am allowed to touch you. I am your mother. I gave birth to you and therefore I own you - I have the papers to prove it!"

Not exactly a bodily autonomy moment, but a humorous rather than angry way of dealing with her daughter's somewhat, um, precocious boundary-setting. :)