|1.||own your house|
v. literally equating to "win a lawsuit against you."
A threatening phrase that condenses a situation to it's final proposed outcome that "I will sue you and win, thereby stripping you of your property." Variants would include living in (someone's) house.
1 - If you touch me again, I'm gonna own your house.
2 - You better watch what you say, or I'm going to own your house.
3 - If your malpractice insurance hadn't taken compensated the victim, she would own your house.