Related Clues:

• Naked as a jaybird
• Duchamp subject
• Kind of naked
• Lacking adornment
• Ready to skinny-dip
• ''The Thinker'', e.g.
• Painter's subject
• Michelangelo's David, e.g.
• Art-studio subject
• Lipstick shade
• Art class figure
• Artist's subject
• Not having a stitch on
• Out of gear?
• Duchamp's staircase descender?