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1.
Decrepid and Old Upper Pussy Area
When a women reaches a certain age and her upper pussy area transitions into something old and nasty.

Rachael looked down at her Fupa on her 50th birthday and was horrified that it was now a Doupa!
by Sinbad the Sailer January 24, 2012
 
2.
When a chick is so fat she has a double fupa.
I asked the lady if she was pregnant with twins but no it was just a doupa.
by redhead fred November 22, 2011