What is Crush ?
Crush is (verb) 1. to press something flat She was crushed against the wall by the car. Crush a piece of garlic and add it to the soup. 2. to end something completely Government troops crushed the student rebellion. All her hopes of getting a better job were crushed by the report of the interview board.(noun) 1. a mass of people She was hurt in the crush of people trying to get to the exit. He lost his briefcase in the crush on the train. 2. to have a crush on someone to have a feeling of love for someone you do not know very well (informal.) She had a crush on her tennis coach.
source: Easier English, Student Dictionary Upper Intermediate Level