Mad Mel Gibson sadistically sneers, "I own you!" to his baby mama in yet another expletive-laced phone recording that surfaced yesterday. The raging actor spits the demeaning words out at ex-gal-pal Oksana Grigorieva as the pair battle over whether she could hire a domestic for their infant daughter, Lucia. "You're a f - - king using whore! Now, I own you!" Gibson reportedly tells Grigorieva over the phone during the 6-minute rant posted on RadarOnline. "Do not use [the domestic] at your house! I have warned you she will be fired if she goes to your house. You find that...