It's a "Waray" term for vagina.
(Waray is a
Philippine dialect used in some parts of
Samar and Leyte provinces).
Other terms used: Puday, Puyet, Pukangkang, Puklo,
Pipi, Dangdang
Hoy, pag-panty didto! Nakikita it im pudangdang!
(Hey, put on your panty! Your "pudangdang" is visible!)
This sentence is usually heard from a
mother telling her
young daughter to put on her panty.