Quote
1. Quote - Listen to the quote and guess what the slang means.

I think when you’re a director, it’s hard to do something unless you’re absolutely over the moon in love with it. The audience, they spend 90 minutes with it, but for you, it’s anywhere between a year and a half to three years of your life, every day, working on it.
Director Adam Green, talking about loving his work (BrainyQuote)
Definition
1. Definition - Study the definition.
very happy and excited
2. Use - Learn how the slang is used.
Have you ever been really happy about something? Maybe, you got the job of your dreams or found out your best friend is getting married. In English, we call this amazing feeling being over the moon.
When you are feeling over the moon, you are feeling very excited and happy about something. When you have a vacation from your job or a break from school, you probably feel over the moon and excited about traveling.
Film director Adam Green feels over the moon about the type of films he directs. He thinks that film directors have to be over the moon and excited about the films they work on because they spend so much time at their jobs.
What makes you feel over the moon?
Examples
1. Examples - Hear some example sentences.
“I am over the moon about getting married.”
“Sheryl was over the moon when she got the lead role in the play.”
“We can’t wait to go to Italy. We’re over the moon about our trip!”