Have a crush (on someone)

American Slang

Definition

To feel a strong, often secret, romantic infatuation or attraction toward someone, typically light or short-term.

Examples

"I’ve had a crush on my lab partner all semester, but I’m too shy to tell her."

"He admitted he used to have a crush on his neighbor when they were kids."

"Everyone can tell she has a crush on the new guy at work—she gets all giggly when he walks by."