have a crush on
see have a case on.
February Used To Have A Much Stranger NameYou know it as the shortest month of the year—or, depending on where you live, the coldest. But, do you know where the name February came from?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.