This is Scott O'Hara from Michael Rosen's book Sexual Art available at Amazon. - Image by Michael Rosen
Here are all the facts, experiences, techniques and media/links we have on:
also known as Boner, Hard On, Woody
The condition of the penis when the tissues in it fill up with blood, becoming
firm and growing in size, as a result of either physical or psychological
stimulation, or both. Definition From Negative or Postive.