A common term for excessive masturbation in one sitting, resulting in the penis becoming thickly calloused and shaped like a half used colgate tube. The activity is also used as a motivational/teamwork exercise in some lines of work... i.e. Computer programming and I.T.
-"Hey man, did you go to the seminar yesterday on profuse masturbation?"
-"I couldn't make it in to the office, so I just set up a laptop and used the WiFi in Starbucks."
by Sandy Highman, PHD. June 30, 2011

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