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.
She tried to tell me Fox News was unbiased but I had to crack face.
When a crack addict is smiling/looking at you, hes got a crackface.
"Go away crackface!"
Someone who looks really high on crack or similar drug, pale, skinny, paranoid
"I saw a chick on Springer who had serious crack face."
A synonym for crackhead
thought up by two young men one evening whilst considerably chung
You're such a crackface
To laugh (because whhen you open your mouth, it's like your face is cracking).
"He's going to be so hilarious!"
"I know! I'm totally gonna crack face."