Muff

Have heard referred to as pocketbook,most appropriate when used as a source for money.
Long ago girlfriend referred to hers as sugardish

Snatch and Twat are two I should have thought of...Money-maker, squeeze box or box are a couple more....what about the male apendage?

worm, trouser trout, herman the one-eyed german, dick, schlong, beefsickle, meat thermometer, prong, dong, pud,....????

Dana - I like your response the best so far....it was funny...hang in there girl!

Woman: whisker biscuit

Man: disco stick (now you'll have that Lady Gaga song stuck in your head.)