on top of the world

He wrote as if he was sitting on top of the world, when he was expected to feel as if the world was sitting on top of him.

Shortly after “Murdaugh: Death in the Family” hints at the crimes that landed Alex Murdaugh in prison for life, it makes a time jump back to one of their supposedly better days when his family was still on top of the world.

Robert Peary on polar expeditions and was likely the first human to ever stand on top of the world.

Yet for a man who appears to be on top of the world, he's surprisingly angry, in particular about the increasing hurdles he perceives the government is putting in the way of firms like his.

While they are on top of the world, Aldcroft knows they cannot rest on their success.