sweet on, be
Enamored of, in love with, as in I think Barbara's sweet on Nick. This colloquial idiom was first recorded in 1740.
sweetingRead more in this article about some frequently asked questions and fun facts related to our definitions.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.