cloud nine

noun

Informal.

1. a state of perfect happiness (usually in the phrase on cloud nine ).

Word History and Origins

Origin of cloud nine¹

First recorded in 1955–60

Example Sentences

"I'm on cloud nine. I just can't get over it. I'm walking on air," said McCarthy.

From BBC

The ball was scooped up by a 10-year-old diehard Dodgers fan, and he’s been floating on cloud nine ever since.

From Los Angeles Times

Nuss said that while they’re still processing their Olympic defeat, she hopes that they can “float on cloud nine” for the rest of today and into tomorrow.

From Los Angeles Times

And as the show drew to a close with a euphoric version of Love At First Sight, Kylie declared: "I’m on cloud nine."

From BBC

He said he was now feeling relieved and “on cloud nine”.

From BBC