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

We use meteorological metaphors to describe affective states, such as feeling under the weather, right as rain or on cloud nine.

From Scientific American

In a quick three or four minutes, I was back on the ground, but my mind was still on cloud nine.

From Washington Post

"I am on cloud nine," says Penny, from Amersham.

From BBC

“Win a national championship, I don’t really care about that. I’m on cloud nine.”

From Washington Post

“I’m still just on cloud nine and it hasn’t really sunk in yet,” Watkins said.

From Seattle Times