Someone who always comments on your facebook status, photos, posts, if theyre in a relationship, who confirmed their friend request. These people also always chat with the victim and they are the ones who start the conversation. These are the type of people who would write on another person's wall just to reply to the one you posted on their wall. See: Dick Rider, Kiss Ass, Kiss Up, and Suck Up.
*facebook dick rider on facebook chat*
Person 1: Yo watsup my brothah, we tight as fuck u my best friend.