When someone, especially someone you know, keeps on clicking on related links. This mostly applies to when watching related YouTube videos, and eventually leads to a video that has no relation to the original search term. Also, this term is can be used when a person just keeps watching shock websites and will not stop no matter how many times you tell them to.
Guy 1: Hey look at this cool video!
Guy 2: Cool, how did you find that?
Guy 1: Oh, I just searched something and kept on clicking on related videos.
Guy 2: But this video has nothing to do with what you searched!?
Guy 1: Yea, but.... WOW LOOK AT THIS VIDEO!
Guy 2: Just get off the internet!
Guy 1: But....
Guy 2: GET OFF THE INTERNET!!