Sentence:  I pushed my ass back toward the voodoo man's thick, leaking cock, and the jism dripping from his <WSD>pisshole</WSD> lubricated my asshole. My anus grew slick and opened of its own accord. The more of his cum that wet my hole, the more my muscles contracted to give him easy entrance. 
Meaning of the word marked with <WSD> tags:  urethra