late 14c., from O.Fr. croisir "to gnash (teeth), crash, break," perhaps from Frank. *krostjan "to gnash." Sense of "person one is infatuated with" is first recorded 1884; to have a crush on is from 1913.
n. the person on whom one has a crush; one's main squeeze; one's boyfriend or girlfriend. : I'm gonna go study with my crush tonight.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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