Origin of word 'poontang'

Factual Questions
1

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It’s a fun word to say. Poontang poontang poontang.

2

http://boards.straightdope.com/sdmb/showthread.php?threadid=12551

http://boards.straightdope.com/sdmb/showthread.php?threadid=59163

3

Ah. I should have known somebody had asked this before.

4

TANGENT ALERT!

Wow. That’s amazing. It just now occurred to me that this word shares the same root as that wonderful dish, pasta puttanesca. You learn something new every day.