be (sitting) on top of the world

To be very happy. I was on top of the world when I found out that I'd gotten an A on my hardest exam. Cathy has been sitting on top of the world ever since she got that big promotion at work.

Common Names:

Name	Pronounced	Usage
Miia	MEE:-ah	Finnish
Mikhaila	mə-KAY-lə	English (Rare)
Shanta	-	Hinduism, Indian, Hindi, Marathi, Nepali
Tomislava	-	Croatian, Serbian, Medieval Slavic
Shari	SHER-ee, SHAR-ee	English
Loann	-	French