To put ice in one's beverage, used mostly with drinks containing liquor.
Hey Tony! Get me a Corona on the rocks!
poured over ice (usually said of liquor)
I think I'll a scotch on the rocks.
Describing a drink, usually containing alcohol, with ice in it.
I'll have a vodka on the rocks.
1. in a ruined condition
2. poured over ice(usually said of alcoholic beverages)
The global economy may be on the rocks, but that does not seem to have stopped anyone from enjoying a scotch on the rocks.
Hard or erect. Generally used in reference to the penis.
Dr: It appears this mans penis is only 3.2 inches long.
Nurse: On the rock Doctor?
Dr: I'm afraid so.
When a marriage is going to run aground like a boat on a foggy reef..
Shaz's marriage was on the rocks due to her insensitivity to her husbands foot odor and halitosis
Somebody high on crack cocaine
I'm not sure how that guy is supposed to be served..
But I sure like Vodka "on the rocks" better.