1. On top of the world - happy and elated.
E. g. He was interested in her and she felt on top of the world.
2. Tickled pink - very much pleased or entertained.
E. g. I was tickled pink to have you visit us.
3. Happy as a clam - To be exceedingly happy and content.
E. g. I've been as happy as a clam since I moved to the country.
4. Buzzing - (of a person) be euphoric or very stimulated.
E. g. Twenty - four hours later Mark was still buzzing
5. Over the moon - extremely happy; delighted.
E. g. They're going on holiday on Wednesday so they're all over the moon.
6. In seventh heaven - in a very happy state.
E. g. Jack was really in seventh heaven when he got a car of his own.
7. I am thrilled to bits - to be extremely pleased
E. g. 'So what did your parents say when they heard you were pregnant?' 'Oh, they were thrilled to bits. '
8. Made my day - Something that makes you happy!
E. g. Son: Dad, I bought your favorite pastry for dessert.
Dad: Oh! great u made my day.
9. Jump for joy - be ecstatically happy.
E. g. I'm not exactly jumping for joy at the prospect.
10. Like a dog with two tails - used to emphasize how delighted someone is.
E. g. Jack: Is he pleased?
Mark: Like a dog with two tails.
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