When a womans nipples grow abnormally long and sometimes thick. They can sometimes gro to be as long as three or four inches, and as thick as 1/2 inch. Think of nipples as big as your middle finger.

c'mon and fuck me up the ass with your nipplecocks baby.
by grizzt69 March 28, 2003
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When a women's nipple becomes aroused and reaches a lenght of over 4 inches, it therefore declared a nipple cock.
Yo man!! look at Sally's nipple cock!! It's shooting out milk!!

As soon as he rubbed my boobies, I grew intense nipple cocks everywhere.
by God December 07, 2004
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