sweep (one) off (one's) 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 one off one's feet

 and knock one off one's feet 
1. Lit. to knock someone down. The wind swept me off my feet. Bill punched Bob playfully, and knocked him off his feet.
2. Fig. to overwhelm someone (figuratively). Mary is madly in love with Bill. He swept her off her feet. The news was so exciting that it knocked me off my feet.
See also: feet, off, one, sweep
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

off someone's feet

1. sweep or carry or knock off someone's feet . Overwhelm someone emotionally; infatuate someone; make a very favorable impression on someone. For example, Winning first prize knocked her off her feet, or With his little gifts and gallant behavior, he swept her off her feet, or That fine speech carried him off his feet. The term using sweep dates from about 1900, carry from the mid-1800s, and knock from the early 1900s.
2. run or rush someone off his or her feet . Work someone to the point of exhaustion, hurry or pressure someone, as in With all the preparations, they've been running me off my feet, or The waiters were rushed off their feet. These hyperbolic expressions allude to running or hurrying so much that one falls down. The first dates from the mid-1800s; the second was first recorded as rushed off one's legs in 1916.
See also: feet, off
The American Heritage® Dictionary of Idioms by Christine Ammer.

sweep someone off their feet

COMMON
1. If someone sweeps you off your feet, you fall in love with them very quickly and strongly. By the end of the date he said he was going to marry me. I was swept off my feet. He is a good fifteen years older than Felicity. He swept her off her feet, though.
2. If something sweeps you off your feet, you immediately like it very much. When she first saw a photograph of a romantic-looking house dating back to 1770, she was swept off her feet by its charm. Ten British chefs plan to cook a feast they hope will sweep the French off their feet.
See also: feet, off, someone, sweep
Collins COBUILD Idioms Dictionary, 3rd ed.

sweep someone off their feet

quickly and overpoweringly charm someone.
See also: feet, off, someone, sweep
Farlex Partner Idioms Dictionary

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

sweep (someone) off (someone's) feet

To cause someone to be admiring or infatuated.
See also: feet, off, sweep
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • sweep off feet
  • sweep one off feet
  • sweep somebody off their 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)