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Compulsively checking all social networking sites (Facebook, Twitter, OkCupid, Match, Foursquare, etc.), obsessively waiting for a new update or message to come through to give you your fix.
"I just wasted four hours on Facebook today. My social needia is getting to me!"

"My social needia is causing my hands to shake, I have to get my fix of Tweets."
by Khump December 23, 2010
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A state of being wherein a person desperately seeks contact with anyone else they can on social media, like Facebook, twitter, Snapchat, etc., whether because they have little in-person interaction or just because it makes them feel validated.
Primus: "Holy shit, this chick has added me on Facebook like 17 times and I still don't know who she is."
Secundus: "Yeah, she's on Social Needia hardcore."
by Apokamptos April 26, 2015
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