Prostitution may be the oldest profession, but masturbation is the oldest pastime. And while there are many memorable cinematic masturbation scenes-a quick polling of CRACKED deskies produced titles like Fast Times at Ridgemont High, Porky's and American Beauty-only CRACKED intern Ryan Grim could come up with a single song on the topic, and he was masturbating when we asked him. In other words, the Internet could use a definitive list of songs that are totally about masturbating.
http://www.cracked.com/article_15114_the-15-best-songs-that-are-totally-about-masturbation.html