head over heels

ぞっこん、夢中、首ったけ

Ex

  • I’m head over heels in love with you.
  • She has been head over heels.

Reference source

  • http://www.ihcway.com/1day/20141123153957.html
  • http://aliceslang.blog106.fc2.com/blog-entry-19.html