Sentence:  There I was, going down at last on the star of all those pornographic films that I had been producing in my head since I first laid a hand upon my own <WSD>joint</WSD>nbsp.nbsp.nbsp. 
Meaning of the word marked with <WSD> tags:  The penis.<ref>Tom Dalzell (ed.), "The Routledge Dictionary of Modern American and Unconventional English," New York: Routledge, 2009, p.(nbsp)574.</ref>