Definitions by Alistair12

UDP 

1. UnderDeveloped Pussy, the vaginal organ of a young woman, ie. under the age of 13.

2. UnderDeveloped Pussy, the owner of said vaginal organ.

Man 1: "Yeah bruv, you see that UDP strut past?"
Man 2: "Yeah, dirty f**king slut!"

UDP by Alistair12 May 11, 2009