An unsually firm erection, comparable to the hardness of diamonds, sometimes caused by Recreational use of Viagra.
"dude I had diamond wood for like, five hours after we went to that strip club."
by The swagenator April 16, 2008
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×