the act of taking a crap while masterbating to save time
computer nerds do it most often while taking a break from WOW or halo or any other of that stupid shit
marvin took a break to crapsterbate after four solid hours of unreal tournament
When a girl masturbates primarily with the clitoris. She stimulates the clitoris until she arrives at orgasm.
Jennie: Hey Jeff, I have to go home
Jeff: How come?
Jennie: My parents aren't home, and I really want to clitterbate.
or
Jennie: Oh man, I had the best orgasm last night
Jeff: Oh? Why is that?
Jennie: I clitterbated, best orgasm of my life
to masturbate and cry at the same time. Usually performed by male graduate students in the sciences or engineering. Common causes include: no women around, ugliness, poverty, stress, being dumped, etc.