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A parasite that resembles a fetus that attachs itself to the back of the victim and uses a fleshy tube to siphon nutrients to itself.
"Man, that poor man has a huge dorsal fetus."

"Rachel had a dorsal fetus on her back, so i decided we wouldn't have sex."
by emilyann691 October 22, 2010
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a parasite shaped like a fetus that attatches itself to the back of the victim and uses a fleshy tube to syphon nutrients to itself
woah did you see debby?
yea she has a monstrous dorsal fetus!
by SwabbyLeftNut April 01, 2011
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