a person with a smaller than average penis, similar in shape and size to a nipple. this is usialy used in conjunction with other quips or sharp remarkes.
Saying the size of a man's penis is the size of a woman's erect nipple nippies. Can be used when joking with friends as well. This word was in use in Bucks County, PA as early as 1990 by high school kids.
"He said he was inside me, but I couldn't feel him. He must've had a nipple dick."