on the rocks
US /ɑn ðə rɑks/
UK /ɑn ðə rɑks/
1.
of a relationship or enterprise) experiencing difficulties and likely to fail
:
•
Their marriage has been on the rocks for months.
•
The company's finances are on the rocks after a series of bad investments.
2.
with ice cubes in a drink, especially an alcoholic one
:
•
I'll have a whiskey on the rocks, please.
•
She prefers her vodka on the rocks.