On the rocks

Meaning

A relationship or endeavor in trouble, or a drink served over ice.

Usage

Used to describe failing relationships or cocktails over ice.

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.

Nautical imagery of ships hitting rocks causing danger.

Shifted into romantic metaphor by the mid-20th century.