Unspecial 

The grammatically incorrect way of saying "not special", meaning somebody who is unimportant and undistinguished.

Jessie felt unspecial when Meg told her she had poked more than just her on Facebook.

Unspecial by nnstrikesagain December 12, 2010

unsocial media

What social media has become

“It’s sad, but Trump, the Russians and their cronies have turned social media into an awful place of insults, bullying, lies, name-calling and other mean-spirited, vindictive behavior.”

“Yeah, unsocial media is pretty fucked up.”

unsocial media by hodags1966 October 28, 2017

Unsocial Butterfly 

An attractive person who does not enjoy socializing in a public atmosphere.

Alisha: Becky, you keep blowing off all the guys tonight!
Becky: I just want to hang with my girls tonight! I feel like being an unsocial butterfly!

Unsocial Butterfly by Notorius Big Ole D September 14, 2016

unsocializationishing 

verb: The act or process of making a point to not be social.

"Those new guys at work just sat there without talking to us. They were unsocializationishing."

unsocializationishing by SKYFrogger October 31, 2008

unsocialising 

coolest guy on the internet, just overall a really swell guy.

wow that unsocialising guy sure is cool. i wish i could have sex with him.

unsocialising by unsocialising November 30, 2017

unsocial  

One who does not attend social gatherings

Brennan: "Hey do you want to go to a really cool place tonight?"

Michael: "naaaa, I think I'll pass"

Brennan: "You're a pretty unsocial person."

unsocial by Dictionary entry 103281 March 1, 2009

unspecified medical condition 

A phrase you can use to get out of a jail sentence, note that you must be Paris Hilton rich for this to be effective.

Paris Hilton: I got to party at home in my mansion while I served my jail sentence because I had an unspecified medical condition; that's hot!

unspecified medical condition by Humpty June 30, 2007