The action of masterbating to someone on your friends list on Facebook.
Man, I was masterbooking after I added the new girl from work.
by TheUNLiberator June 10, 2010
Hitting the "like" button on your own Facebook status.
Have you noticed how William always "likes" his own status? It's like he's masterbooking or something.
by lrchtr December 07, 2009