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1.
Someone who is Antisocial. This person is usually rude, mean, jerkish or just extremely quiet.

Social rocks dont like other people and hate talking. They are usually found always alone at public places.
Person 1: Hey, whats up?

Person 2: Nothin', you?

Person 1: I saw a Social Rock earlier, someone tried saying 'Hi' but was completly rejected!

Person 2: REJECTIOOONN!!!!
by Blade-Kai May 22, 2011