2. A sarcastic/joking reference to definition (1). Said to a friend who's being mildly irritating, joking that their behaviour would cause the speaker to 'take them off their friendlist'.
b) "Yeah, so I had to defriend Charlie. He kept cluttering up my friendlist with stupid memes, and we haven't even communicated in a year. We'll probably never see each other again, so there's no point.
2. Julie: "I really like Sawyer and Kate together on Lost!"
Sara: "Really? I prefer Jack and Kate, I don't really like Sawyer."
Julie, jokingly: "I can't believe you think that! Oh my god you are SO defriended!"
Sarcastic Person: "Sounds like the breakup was hard on everyone."
I pretended to be on the phone earlier when I walked past him, he's a de-friend.
I saw her out the other night, I gave her a dirty look as I'm now her de-friend.
1a. Verb - the act of ending a friendship with someone either on a social network or in the 3D world.
Synonym - see "unfriend"
Hal was through with the whole thing and after all this time, finally, defriended the one guy he thought would be his pal forever.