Z-Ro's new album.

plural form of "crack", multiple crack rocks.

Anything thing that can be addictive like a song, a game or an activity.

1. Another type of cocaine that is smokeable; often sold in the streets
2. An object or item that is addicting
3. The lining part of the ass

the true slang meaing comes from New Yorks Dipset which refers to their music as being crack which is a very addictive drug of course

First) Take 36 ounces of coke
(Mixing it) With water in a pot on the stove
(Next) Step to make them boulders add
(Baking Soda) If the flame is low then turn it up WHOA!!
(And stir it up)
(Finally) Just wait (till it's hard)
Then bag it up
You got the key homie
That’s the recipe

Something you should never step on when you're walking on a sidewalk or else you'll break your mother's back.