Mastur-book 

When you use pictures of women in bikinis on Facebook in order to masurbate. Often times done at work where the porn sites are blocked.

Guy 1:Hey, I'm gonna go Mastur-book in the bathroom.

Guy 2: To who?

Guy 1: Lisa. She just added some super hot Panama City pics.

Mastur-book by yamitl May 14, 2011

Masterbooking 

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.

Masterbooking by lrchtr December 7, 2009

Masturbooping 

Jerking while pooping on the toilet.

man i was so bored sitting on the toilet, so i started masturbooping

Masturbooping by ZomgPoof December 12, 2011

Masturbook

When you close your eyes and randomly hit a letter into your facebook search bar and jerk off to the first decent girl on the results.

*Thinking to self*
I don't know who to jerk off to... I'll just masturbook

Masturbook by BlahBlahxx54 August 5, 2011

masturboofing 

When one decides to pleasure themselves but they are also talking to someone over text at the same time without their knowledge of the action they are performing.

He is so weird, last night I heard that he was masturboofing with some girl and she didn't find out until today

masturboofing by Booflord December 8, 2020

Masturboobing 

Rubbing one selves boobs to get pleasure.

Girl 1: I saw that girl touching her torso last night.
Girl 2: Did it look like she was getting pleasure form it?
Girl 1: Yah. Why?
Girl 2: kSo she was masturboobing then.

Masturboobing by LOLOLOLOLw8wut? June 1, 2011

Masterbooking 

The action of masterbating to someone on your friends list on Facebook.

Man, I was masterbooking after I added the new girl from work.

Masterbooking by TheUNLiberator June 12, 2010