Reference to a girl with an extremely attractive body but the face of an old lady
Guy 1: What do you give her out of 10?
Guy 2: At most a 6. She's a bit of a Duke's Plum. I mean neck down she's awesome but her face looks like my great aunt Ethel.
Guy 1: Paper bag that shit..
by PepeMac April 17, 2011
Get the Duke's Plum mug.