casterbate 

the act of masterbating while having a plaster cast over the wrist in use.

James: "hey Pat, did you hear Alex broke his wrist?"
Pat: "yea, too bad he isn't ambidextrous, I bet his cock is burning from having to casterbate all week"
James: "I heard he deliberately broke his wrist because he enjoys the chafing"
Pat: "man, what a sick fuck"

casterbate by Jowak August 4, 2008

Crysterbate 

The art of crying while you masturbate.

Hey man, That sucks that Sarah dumped you but you can stop locking you self in the bathroom to crysterbate, tears wont get you off any faster

Crysterbate by leTed August 24, 2008

crapsterbate

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

crapsterbate by mr.salty May 28, 2006

wasterbate 

to masterbate over something that isnt worth the time or the effort then realising what you have done.

"dude i need to jerk of so bad but if im afraid if i blow my load over the wrong thing it could turn it a total wasterbate nightmare"

wasterbate by Toffer92 April 13, 2010

Nasterbate 

Thinking of nasty things or people during masterbation to prolong the experience.

"I think of your mom's fat ass while I nasterbate so I can go all night

Nasterbate by jimmyboypeace February 23, 2011

fasterbate 

The act of masterbating very quickly as to get it over with to avoid detection

i had to fasterbate because my mom was in the next room

fasterbate by saylor February 15, 2007

rasterbate 

creating a picture larger than a piece of paper by printing out the picture in sections sized to a page, then connecting those pages in the proper order.

He couldn't buy the poster, so he rasterbated it.

rasterbate by phanna August 1, 2005