on cloud nine

1. Blissfully happy, as in Ever since he proposed to her, her parents have been on cloud nine. The exact allusion of nine in this term is unclear, and different figures, especially seven (perhaps alluding to seventh heaven), are sometimes substituted. [Colloquial; mid-1900s]

Example Sentences

When Emma Davey met Ashley Southgate in 2015, she was on "cloud nine".

From BBC

"I'm on cloud nine at the minute. What a game," Rock told on Sky Sports.

From BBC

With a newly infused burst of energy and optimism, the band is on cloud nine now that guitarist Betty Cisneros is officially in remission from cancer, which was diagnosed over two years ago.

From Los Angeles Times

"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