crush on
phrasal verbPart ofcrush
crush on — phrasal verb
1. To have a strong romantic attraction to someone, usually secretly or without act
1.phrasal verb
Definition
To have a strong romantic attraction to someone, usually secretly or without acting on it.
Example
Sara has a crush on her classmate, but she's too shy to tell him.
When I was twelve, I crushed on a boy in my math class.