Someone who has no clue about
Facebook.
Possibly afraid to even use
Facebook.
Could also be someone new to
Facebook, most likely a 50-something that has no clue how to post or tag content.
The Facebook Tard usually has 20-something off-spring that school them on the nuances of social networking. These off-spring often use encouraging statements like, "Facebook is good for old people like you. MySpace is for young people."