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

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

slanging rock 

To sell crack cocaine

popularized by the 1991 movie "new jack city"

Tyrone: "yo Jamal how you been getting money to buy all that new jewelry"?

Jamal: "I been slanging rock"

slanging rock by janin ting June 12, 2009