They won't renew your passport so you'll have to find another Country willing to sell you one or come home, and they will garnish any pensions or other income you receive from home.
But then I got the last laugh, instead of working 70 plus hours a week practicing law in Califonria, I've spent the last 7 years teaching English in Thailand for a whopping $800 a month; a move that has legitimately saved me hundreds of thousands of Dollars in taxes. My laziness has been rewarded.