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

Unsocializing 

When you have not talked to people in a while and your not as social.

Sheena Lu is unsocializing, for she hasn’t talked to people in a few months.

Unsocializing by Kidddoo August 29, 2019

unsocializing 

Socializing with an unpopular person.

Brenda is unsocializing with that weird nerd. (No shade to nerds)

unsocializing by NY_Lestrange April 1, 2017