fall head over heels

fall head over heels

Fig. to fall down, perhaps turning over or rolling. Fred tripped on the rug and fell head over heels into the center of the room. Slow down or you will fall down—head over heels.
See also: fall, head, heel

fall head over heels

or

fall head over heels in love

COMMON If you fall head over heels or fall head over heels in love, you fall suddenly and deeply in love with someone. It was obvious that Alan had fallen head over heels in love with Veronica. When I was 18, I fell head over heels for my first `proper' boyfriend, Alex. Note: You can also say that someone is head over heels or is head over heels in love. It's plain from the sheepish tone in Colin's voice that he's head over heels. You have to remember that I was head over heels in love with Bill. Note: Until the late 18th century this expression was `heels over head', which refers to someone doing a somersault.
See also: fall, head, heel