be on cloud nine
to be very happy about something

[TahlilGaran] Dictionary of Contemporary English ▲

on cloud nine
very happy.
She just bought her first new car and she's on cloud nine.

[TahlilGaran] English Idioms Dictionary ▲

on cloud nine
to be very happy
She has been on cloud nine since she decided to get married last month.

My sister has been on cloud nine since she won the money in the contest.

[TahlilGaran] English Idioms Dictionary ▲

on cloud nine
adj. phr., slang Too happy to think of anything else; very happy.
Ada has been on cloud nine since the magazine printed the story she wrote.
We were on cloud nine when our team won the state championship.
Compare: ON TOP OF THE WORLD, WALK ON AIR.

[TahlilGaran] English Idioms Dictionary ▲