A deadly form of ass cleavage.

1. freebase form of cocaine, generally smoked in a crackpipe

2. the crevice between one's butt cheeks.

something really good, pretty much addicting

A small, illegal program who's sole purpose is to trick another program (by editting, imputting a registration key, or some other method) into thinking it has been registered.

The area between the ass cheeks and, in females, including the crevices of the genitalia.

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!

In computers, a program that modifies the code of another in order to bypass copy protection techniques. Cracks are often applied to trial programs or programs requiring product activation.