Idioms to Express Happiness

Idiom: On cloud nine
Meaning: you are on the top of the world, you feel wonderful
Examples:
-I was on cloud nine after I my daughter was born.
-Jeffrey was on cloud nine after he won the lottery.

2-
Idiom: Over the moon
Meaning: feel great, feel on top of the world
Examples:
-Amy was over the moon when she got engaged.
-My little sister was over the moon when she got a tablet for her birthday.

3-
Idiom: happy camper
Meaning: really happy
Examples:
-Tony was a happy camper when he got to leave work early.
-Kendall was a happy camper when the meeting was canceled.