On cloud nine- very happy and excited
बहुत खुश और उत्साहित
He was on cloud nine when his parents came to visit him.

Have a whole of time- to enjoy very much
बहुत आनंद लेना
We were having a whole of time chatting and dancing.

Make someone’s day- make someone feel very happy
किसी को बहुत खुशी महसूस कराना
Her smile made my day.

Walk on Air- feel extremely happy
बहुत खुशी महसूस करना
After he won the race, he was walking on air.

Tickled Pink- very amused
बहुत खुश
I was tickled pink to see her picture.