v.1. To shift one's position by turning from one side to the other: The dog rolled over on the carpet.
2. To shift the position of someone or something by turning from one side to the other: We rolled over the rug in order to move the furniture. The toddler rolled the ball over to me.
3. To defer or postpone payment of an obligation: The bank says it will roll over our debt until next year. They couldn't pay the bill, so the agency agreed to roll it over until the following month.
4. To reinvest funds from a maturing security or from a tax-deferred account into a similar security or account: When I left my job, I rolled over my 401K account into an IRA. If you roll the money over into an IRA, you can defer your taxes until after you retire.
5. To consent or comply passively or without protest; acquiesce: You shouldn't just roll over and give in when your kids want something!