Slingin Rocks 

To sell crack rocks.

Also used to say slingin dro- marijuana
slingin yay- cocaine

Gangsta A** N***a #1: yo man where you git that fat roll?

Gangsta A** N***a #2: I was downtown slingin rocks last night.

Slingin Rocks by Da Maaaaaan Ya Digg April 1, 2009

Slangin' Rocks 

Selling cocaine or crack but Slagin' alone means just 2 sell any other illegal drug

Did u hear that Derek got caught slangin' rocks and now he doing 4 years in jail

Slangin' Rocks by Dereksag13 February 25, 2007

SLINGING ROCK 

Selling crack cocaine

SLINGING ROCK by Mark April 14, 2003