Meaning of the word "crazy about" in English

What does "crazy about" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

crazy about

US /ˈkreɪ.zi əˈbaʊt/
UK /ˈkreɪ.zi əˈbaʊt/

Idiom

very enthusiastic about something or someone; deeply in love with someone

Example:
She's absolutely crazy about her new puppy.
He's been crazy about her since high school.