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1.
to put an end to ones social life; social suicide
If you don't go to this party you might as well commit socicide.
by Zander Camp February 26, 2008
 
2.
The deletion of one's profile on a social networking website
I tried to look up Jared's phone number, but he'd committed socicide so I couldn't find him.
by atds October 17, 2010