When a crack addict is smiling/looking at you, hes got a crackface.

To embarrass someone to the point where their face cracks like a broken mirror. Usually by pointing out that they are wrong in their assertion.

Someone who looks really high on crack or similar drug, pale, skinny, paranoid

A synonym for crackhead thought up by two young men one evening whilst considerably chung

To laugh (because whhen you open your mouth, it's like your face is cracking).