Wiktionary
rock cocaine
n. The off-white, crystal-like form of crack cocaine.
Usage examples of "rock cocaine".
Sure, once they were on the road again, old Sinsemilla might set the motor home on fire while cooking up rock cocaine for an evening of good smoking.
Dickie blew the entire grand in the French Quarter, buying rock cocaine and rainbow-colored cocktails for exquisitely painted women, most of whom turned out to be flaming he-she's out trolling for cock.
It looked like an entire neighborhood's shipment of pure Peruvian rock cocaine had been dropped in the center of the small table.
A smaller bag filled with rock cocaine sat in front of Weasel-face.