My 5 year old is a great kid, and she totally cracks me up because she's both smart and witty. Case in point, last night I asked her to get her jammies on. She decided, after being unable to locate a proper pair of pajamas, to come back to the kitchen wearing only panties.
She then declared that she was going to sleep in her "nude jammies". My husband has coined the term for these as "skin jammies".
Whatever you call them, she's wearing them again tonight.