Refers to the phenomenon of posting random, usually meaningless, status updates multiple times daily. Often comes via the blackberry or iPhone. Clutters up the newsfeed. The sufferers of tourettes are known to post many times an hour. Likely the reason for the 'hide' feature.
Libby's got the facebook tourettes again and hit a record for 15 useless status updates on the newsfeed.
To curse or say something derrogatory towards a person or a post on Facebook upon seeing it/them.
Bill has Facebook Tourettes when he sees Jill's new status.