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1.
High rise apartment complex for low income people, drug dealers, hookers, and the scum of society
There was another drug bust down at the crack stacks last night. You couldn't pay me enough to live there.
by James-Lee May 29, 2007
 
2.
A tall high-rise building usually found in a project or ghetto where you can easily find drugs, especially crack.
A friend of mind was shot during a drive by when he was leaving the crackstack in which he lived.
by Fedboy January 18, 2005
 
3.
a poor persons apartment complex, usually the projects, where the drug dealers live
There was yet another drug bust down at the crack stacks last night.
by Jamie Gum January 05, 2008