Top definition
Polite way of talking to a little girl about her vagina, pussy.

Grown ups have Poontang. Little ones have Poonana
Did you wash your poonana good.
by Stimpy November 05, 2003
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2
the act of soaking a banana in the toilet, and having a person eat it without knowing
hey, bitch, you just ate a poonana.
by Beckky December 04, 2007
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4
When a banana becomes old, mushy, brown, and begins to resemble poo.
"I left a banana on the ground for some weeks, now looking back on it, it has become a poonana"
by diqhed September 12, 2017
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