YOU SAID:
Falling head over heels
INTO JAPANESE
かかとの上に頭を落ちる
BACK INTO ENGLISH
fall one's head on one's heel
INTO JAPANESE
頭をかかとに落ちる
BACK INTO ENGLISH
fall one's head to one's heel
INTO JAPANESE
頭をかかとに落ちる
BACK INTO ENGLISH
fall one's head to one's heel
You've done this before, haven't you.