{v. phr.} To make (someone) have feelings (as love or happiness) too strong to control; overcome with strong feeling; win sudden and complete acceptance by (someone) through the feelings. * /The handsome football captain swept Joan off her feet when he said so many things to her at the dance./ * /Joan was swept off her feet when the football captain started flirting with her./ * /Mary is swept off her feet whenever she hears a band start playing./ * /John was swept off his feet when he won the contest./ Compare: BOWL OVER (2), CARRY AWAY.
SWEEP OFF ONE'S FEET
Meaning of SWEEP OFF ONE'S FEET in English
Slang English vocab. Английский сленговый словарь. 2012