jack3Pronunciation: /dʒak/Translate jack | into French | into German | into Italian | into Spanish Definition of jack verb [with object] North American informal take (something) illicitly; steal:what’s wrong is to jack somebody’s lyrics and not acknowledge the fact rob (someone): they told police they’d been prowling the streets looking to jack someoneOrigin: 1990s: from hijackjack in other Oxford dictionaries Definition of jack in the US English dictionary
