When a woman has an extra fat layer between her fat stomach and her vagina. Thus, the fatgina.
As Linda was driving, her fatgina was resting on the steering wheel.
by santarosa December 14, 2005
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dayyyum she got a fatgina!

Ow, my fatgina! :(

The pungent aroma of her fatgina
filled the air.
by Heather Lynn333 October 13, 2007
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