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.
Waking up in the morning with the special one beside and engaging in affectionate activities.
"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 breakfast on the beach."