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2.
Rapebooking refers to the act of repeatedly and excessively posting comments on your friends' Facebook walls, photos, and any other Facebook media. A Facebook rapist is an individual who indulges in rapebooking frequently; these people are considered dangerous and should be de-friended and reported to the Facebook authorities immediately. If you catch a Facebook rapist, spread rumors about them immediately to help protect your friends against rape.
Rapebooking Sample:

Wall posts:

1. Hi.
2. Miss u.
3. What time is the movie?
4. How was your date?
5. How is the new job?
6. When do you move?

Photo posts:
1. Cool pic.
2. Great trip.
3. Purdy.
4. Wow.
5. LOL.
by Definitionist August 11, 2011
 
1.
The act of masterbating to a picture of a friend on facebook without his/her permission.
(Wayne's dick stood erect as he impatiently browsed through Gina's facebook photo's looking for an ass shot. He finally found one. Photo 17)

....the next day....

Wayne: I rapebooked the shit out of you last night

Gina: Whats rapebooking?

Carl: Yeah Gina, photo #17 in the "crazy summer nights" album was great!
by ChadSonZor October 20, 2009