1. As naked as at birth
   - mother-naked, naked as the day you were born, in one's birthday suit, in your birthday suit

See also: unclothed

• Marcus Aurelius
• Marcus Aurelius Antoninus
• Marcus Aurelius Valerius Maximianus
• Marcus Cocceius Nerva
• Marcus Junius Brutus
• Marcus Terentius Varro
• Marcus Tullius Cicero
• Marcus Ulpius Traianus
• Marcus Vipsanius Agrippa
• Marcus Whitman
• Marcuse
• Mardi Gras
• Marduk
• mare
• mare clausum
• mare liberum
• mare nostrum
• mare's nest
• mare's tail
• Marengo
• Marfan's syndrome
• Margaret Court
• Margaret Higgins Sanger
• Margaret Hilda Thatcher
• Margaret Mead