To roll over means to turn or rotate one’s body or an object in a circular motion, often from one side to the other. This action can be intentional, such as when a person rolls over in bed to get more comfortable, or unintentional, such as when a ball rolls over a bump in the ground. It can also refer to a vehicle flipping over onto its roof. In a financial context, rolling over refers to extending the maturity date of a loan or investment, often with the same terms and conditions. Additionally, in the context of pets, rolling over is a trick where a dog or cat lies on its back and rotates its body in a playful manner. Overall, the term ‘roll over’ implies a smooth and continuous movement, often with a circular or rotational element.