It really irritates me! :/ I'm sure you are used to the term 'dick-head' .. :) :P so how would you feel if everyone started shouting 'urethra man' all the time??? LOL :D
"I'd love to shove my urethra up that!!! :P :) :P :) " ROFLMAO ROFLMAO
look it up..
http://www.news-medical.net/health/U...e-Urethra.aspx
http://en.wikipedia.org/wiki/Urethra