1. On cloud nine

Meaning: Extremely happy
Example: She was on cloud nine after passing her final exam.

2. Over the moon

Meaning: Very happy and excited
Example: They were over the moon when their baby was born.

3. Walking on air

Meaning: Feeling very happy
Example: He’s been walking on air since he got engaged.

4. In high spirits

Meaning: Cheerful and full of energy
Example: Despite the rain, everyone was in high spirits.

5. Happy as a clam

Meaning: Completely happy and content
Example: She’s happy as a clam living in the countryside.

6. Grinning from ear to ear

Meaning: Smiling widely because of happiness
Example: The kids were grinning from ear to ear on their first day of vacation

7. On top of the world

Meaning: Feeling extremely happy or successful
Example: He felt on top of the world after winning the competition

8. Tickled pink

Meaning: Very pleased or delighted
Example: She was tickled pink to receive the surprise gift.

9. Full of the joys of spring

Meaning: Very happy and energetic
Example: He came into the office full of the joys of spring.

10. In seventh heaven

Meaning: Extremely happy
Example: She was in seventh heaven when she met her favorite singer.