from the GNU version of the Collaborative International Dictionary of English
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She mounted again beside her lover, with a mute obedience characteristic of impassioned natures at times, and when they had wrapped themselves up over head and ears in the sail-cloth again, they plunged back into the now thick night.
Not that the phrase is at all to my liking: for to say a man is fallen in love, — or that he is deeply in love, — or up to the ears in love, — and sometimes even over head and ears in it, — carries an idiomatical kind of implication, that love is a thing below a man: — this is recurring again to
Johnson, "after a beautiful accomplished South Carolina heiress, worth a cool hundred thousand in cash, with kinky-heads according; and he has only to stretch out his hand to her and she'll snatch at it; for everybody sees that she is over head and ears in love with him, as indeed all the girls in Morristown are; for Bill is death among the pullets."
Chase, was over head and ears in love with her, and had lately made unmistakable avowals in luscious strawberries and hyperbolical peas.