Jacksterbation 

The combined process of jacking off and masterbating.

"The only way I could think to celebrate the end of the work week was with an intense jacksterbation"

Jacksterbation by Frankie "J" Leisure October 18, 2008

Backsterbation 

The act of rubbing your back against the edge of a wall to relieve tension and pain. It's a well known fact that violating your home's jagged edges relieves stress, improves posture, and alleviates depression. Studies have also shown that regular backsterbation increases sexual pleasure and rekindles lackluster relationships. Common side effects include missing socks and blindness.

Daniel: Hey, bro. Could you give me a massage?

Noah: Nah, b. I'm in the middle of an intense game of Starcraft 2.

Daniel: Aw, man. I guess I'll just have to resort to backsterbation again.

Backsterbation by backsterbater4lyfe June 13, 2011