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

crack is a drug people smoke and turn into crazy assholes. crackheads will do anything for crack, money and more crack!

1. freebased cocaine
2. world of warcraft

A smokable form of cocaine which is really cheap and gets you really high.