Plummers boob is when a girls boobs are squeezed togther and there cleavage makes it look like a Plummers butt crack.
Dang that girl has a bad case a Plummers boob.
by Mustache Moses November 16, 2012
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.×