birthday suit

Definition

Nakedness, unclothed skin; an exposure of a human's natural anatomy without clothing.

Etymology

From the lack of clothes worn when one is born.

Example Sentences

• "George embarrassed his aunt by answering the door in his birthday suit."
• "Nature, the universal tailor, provides for every other animal a birthday suit of clothes which is to outlast his life; but man, though so peculiarly sensitive to the assaults of the elements, is ushered into this nether sphere without any covering, in order that he may be compelled to exert his faculties, and become his own tailor, and thereby his own civilizer."
• "At last I'm down to the nitty-gritty, my original birthday suit. Where do I put my hands? I need pockets."