on cloud nine

Idioms  

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]

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Example Sentences

“She is still on cloud nine,” says Katie Davis, Mary Louise’s mom.

From The Wall Street Journal

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