To remove a 'friendship' from facebook due to having either accidentily adding him/her as a friend or actually adding them and reconsidering later.
"Yeah, there was this guy in my network who added me. I thought he looked ok, but his updates were really cramping my news feed, so I had to deface him."

"I went on a date with a girl I met a week before and like the day after our date she changed her status to 'in a relationship.' I defaced her."
by Zennon December 16, 2007
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To ruin a picture of something, esspecially that of someone's face.
Because my brother is against PETA he defaced all their anti-fur ads.
by Anonymous July 07, 2003
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what a hacker usually does to someone's website
why did you have to do such a bad job at defacing microsoft's website?!
by teh_applegoddess July 07, 2003
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To remove your profile from Facebook.
A: I'll send you a message on Facebook.
B: Don't bother. I defaced yesterday. I'm sick of being a facebook slut.
by phoenix1x September 23, 2007
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Where deeyes and demouf and denose is at.
I will punch you in deface.
by Gizmoitus July 11, 2003
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