When a woman's sex organs prolapse, and form a long protrusion.
Not a large following as a sexual fetish; not heavily popularised.
"Ha. That woman's got a dong."
"No. It's something much worse. I've been told that: after a really good pounding... when it's all hanging out... If it gets cold real quick or you startle her...then... she gets hard. She calls it her mule's finger."
"Eww"
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