Is the phrase drunk with pleasure an idiom?

"Drunk with pleasure" is not a common idiom. While it might be used figuratively to describe intense enjoyment, it's not a fixed phrase with a specific meaning like many idioms.

Here are some common idioms related to pleasure or excitement:

* On cloud nine: extremely happy

* Over the moon: very happy and excited

* In seventh heaven: extremely happy and content

* Tickled pink: delighted

* Jumping for joy: very happy and excited

If you're looking for a more idiomatic way to describe intense pleasure, you could use one of these phrases instead of "drunk with pleasure."