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.

#erection #rock #hard #penis #erect
by Scoot123 January 30, 2008
10 Words related to on the rocks
Top Definition
To put ice in one's beverage, used mostly with drinks containing liquor.
Hey Tony! Get me a Corona on the rocks!
by Mercy Fucking Bell August 24, 2004
poured over ice (usually said of liquor)
I think I'll a scotch on the rocks.
#ice #liquor #alcoholic #drink #beverage
by Light Joker October 21, 2005
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.
#in the dumper #on-the-rocks #ontherocks #politics #religon
by The Return of Light Joker March 09, 2009
Describing a drink, usually containing alcohol, with ice in it.
I'll have a vodka on the rocks.
by Heart Arcade August 07, 2005
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.
by Blue Cawdrey November 23, 2004
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.
#crack #rock #rocks #on the rocks #the #cocaine #boose #junkie #lowlife
by Altti Kuronen February 09, 2008
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