FUPA known as Fat Upper Pussy Area, but other variations include, GUPA- Giant Upper Pussy Area, HUPA- Huge Upper Pussy Area, and lastly CHALUPA- Can't Have A Larger Upper Pussy Area. Of course the variations depend upon the size of the beast. There are no specific weight classes identified yet. More to follow.
The Fupa is that flabby area above the vagina. (stomach)