What are some other phrases besides "over the moon" and "on cloud
nine" that mean a person is happy?

Hi pottersally:

Thanks for the cheerful question!

Here's some I was able to find/think of:

* walking on air
* floating on air
* as happy as the day is long
* as pleased as punch
* as high as a kite
* on top of the world
* thrilled to bits
* as happy as a pig in muck
* in high spirits
* tickled pink
* tickled to death
* flying high

Word study - happiness
URL: http://www.chambersharrap.co.uk/chambers/teachers_resources/school_thes_panels/happiness.pdf

What teachers of English have said about MacMillan English Dictionary
URL: http://www.macmillandictionary.com/aboutmed/MED%202802.pdf

7 entries found for tickled pink
URL: http://thesaurus.reference.com/search?q=tickled%20pink

Search Strategy (on Google):
* "on cloud nine" "over the moon"
* "on cloud nine" "over the moon" "in seventh heaven"
* "on cloud nine" "over the moon" "in seventh heaven" "tickled pink"

I hope this helps. 

websearcher

I am tickled pink by this answer. :-)

I am as pleased as punch that you are tickled, pink. ;-)

It's Pinky's day!  "Freude" also means happy or delighted.  :-)

"Happy as a clam" as well.

In addition to the excellent suggestions by websearcher-ga, you could do
a search on Google for "happy as a" as well.

://www.google.com/search?q=%22happy+as+a+%22