1. To agitate; to stir up, especially by crafty means; to prod unduly. "Keep on needling that wack (mentally unbalanced person), and he'll put a sneak on you (assault you when you least expect it)." 2. To inject ether or alcohol into beer. 3. To beg or borrow a small sum of money with no intention of repaying it.

- american underworld dictionary - 1950