Definition from Wiktionary, the free dictionary
From Arabic علي بابا (ʿalī bābā).
- The fictional protagonist of Ali Baba and the Forty Thieves, famous for his encounter with forty thieves and their treasure trove cave that opens on the command "open sesame".
- (slang) An extremely lucky person, especially one who acquires a large fortune by luck or by chance.
- (slang, ethnic slur, US, military) An Iraqi.
a fictional character