PooNaan is another word for vagina, used around Manchester and is spreading throughout the UK, the word naan means clean vagina from a respectable woman, if you are getting poonaan also called poonaani it means you are getting cheap fanny that is easy to get.
PooNaan is also a word for shit cunt. a really dirty vagina.
word created by Bobby B
Bobby: gonna slay bare naan tonight mate.
Finn: if it's those girls from the other week it's more like a poonaan.
Bobby: PooNaan (naan) or not atleast i'm getting some.