1) In a nutshell, a highly addictive drug that is a combonation of two parts coke to one part baking soda heated to become one solid entity. Usually smoked through a crack pipe and has serious health threatening side effects.

2) The line between your butt cheeks. Often Exposed when one bends over while wearing pants that do not fit right!
by Amy O'Connor March 25, 2007
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Shit i just bought Z-ro's new album Crack that hoe jammin like a muthafucka.
by cracker88 October 10, 2008
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Short for crack cocaine, usually a white powdered solid.

Also known as 'knowledge trees', among other things.
GUY 1: Lets go get some crack.
by Bobbick January 08, 2008
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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
ayo son, you ever played Grand Theft Auto that shit is crack.
yo she needs to pull up her pants, I just saw her ass crack.

by lOvInitInhArLem January 20, 2007
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crack is a drug people smoke and turn into crazy assholes. crackheads will do anything for crack, money and more crack!
you know you're lame when you smoke crack

theres crackheads alll over! if u wanna see some real crazy ones just ride the subway in manhattan.
by deenie July 03, 2004
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