(Verb): The Act of doing promiscuous things on Facebook OR The Act of commenting/posting on many peoples walls, pictures, status's, and other things on Facebook.
John:Wow! did you see all the comments Alison left on everyones wall.
Sarah: Oh...yeah....she was slutbooking again.
Sarah: Oh...yeah....she was slutbooking again.
by Mr.Gabrielstein May 31, 2011
Get the Slutbooking mug."I can't add any more friends on my account. Apparently, I went over the limit."
"What? Damn slutbook!"
"What? Damn slutbook!"
by Georgius February 7, 2008
Get the slutbook mug.