sweep somebody off their feet

sweep (one) off (one's) feet

To charm one in such a way that they form an instant and strong romantic attraction, usually unexpectedly. A: "Is Lucy still gushing about her new boyfriend?" B: "Yeah, he must have really swept her off her feet."
See also: feet, off, sweep
Farlex Dictionary of Idioms.

sweep somebody off their ˈfeet

attract somebody very strongly because you are exciting, charming, etc: She’s waiting for a nice young man to come and sweep her off her feet. I was swept off my feet by her wit and charm.
See also: feet, off, somebody, sweep
Farlex Partner Idioms Dictionary
See also:
  • sweep (one) off (one's) feet
  • sweep off feet
  • sweep one off feet
  • sweep someone off their feet
  • be head over heels (in love)
  • fall head over heels in love
  • fall head over heels in love with (someone)
  • pull the carpet (out) from under (one's) feet
  • pull the carpet/rug out from under somebody's feet
  • pull the rug out (from (under) one)