English

Adjective

over head and ears ‎(not comparable)

1. (informal) Completely; wholly; hopelessly; head over heels.

   They were over head and ears in debt.

The Kindle version of Anthony Trollope's works (19th century): "Complete Works of Anthony Trollope (Illustrated)" has 30 instances of characters being either "...over head and ears in debt" or "...over head and ears in love".