- Proper noun. A fictional character featured in ''Ali Baba and the Forty Thieves'' of ''The Arabian Nights'', famous for his encounter with the Forty Thieves and their treasure trove cave that opens on the command "open sesame".
- Proper noun. (slang) An extremely lucky person, especially one who acquires a large fortune by luck or by chance.
- Proper noun. (slang) An ethnic slur used by occupational soldiers for a native of Iraq.