Generic slang term used in the Mid-East region for "bad guy". Comes from the fable 'Ali Baba and the Forty Thieves'.
When non-English speaking middle-easterners want to point out terrorists, criminals, and assorted scum to US troops they point and yell, "Ali Baba! Ali Baba!"
by KlubMarcus August 04, 2005
Ali Baba is used generally in the middle East meaning to steal, this pre-dates the Iraq war. The term relates mainly to petty theft.
Someone will ali baba that if you leave it there
by Mark Baker January 19, 2007