1 definition by Alistair12

Top Definition
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!"
by Alistair12 May 11, 2009
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