Head over heels
Meaning
Deeply in love or wildly excited.
Usage
Used for strong romantic feelings or enthusiasm.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Originally meant upside down; later romanticized in the 19th century.
Moved into affectionate idioms throughout the 20th century.