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1.
A noun describing the skin that attaches the scrotum to the penis.
While the penis is flacid and scrotum saggy, said skin is often seems very abundant in quantity thus resembling the front neck of a mature/ old dragon.

Often loose, hanging, saggy in nature with multible, vertical layers of skin.

This loose state of the genitalia is often caused by a warm, humid environment. Therefore it is most prone to appear in the heat of the summer or if you dress properly in winter.
"Damn, I got my dragon's neck stuck in my zipper again!"

"I got some saggy ass dragon's neck going on right now, I tell ya."

"Woww, that dude's got enough dragon's neck to use it as a boat sail!!"
by Simca April 19, 2013