1. The incedental act of following someone from activity to activity. Like seeing them in a mall and then at the movie theatre. (3rd degree copystalking is unusual, and in most cases constitutes stalking.)
2. The act of following someone from activity to activity for mere entertainment. Ordering the same drink as someone and then sitting nearby and talking about the same topic they are.
(After seeing the same couple at a previous thriftstore)"Gosh, your copystalking me."