The delaying and exacerbating of ones inevitable hangover by continuing a drinking session from the night before. The definition being analogous to the deferred and accumulating rollover jackpot in the UK National Lottery.
"We went out boozing on Saturday and had a double rollover. I didn't get in until Monday night and felt like death on Tuesday."
A css code that creates a hover effect when your cursor moves over the image or text on a website. A rollover can change the color or font of the text. It can also add image effects when hovered.
"How was your night with (insert name)?"
"Great. We ate dinner, saw a movie, and went back home with a few friends to look at the new house. I woke up the next morning, did a rollover, and we ate breakfaston the beach."