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A type of spit that usually occurs after being deyhydrated or after strenuous physical activity. The gum-like quality of the spit causes it to hang unceremoniously from your mouth in a long string of saliva, usually causing the victim to lean forward with their head away from their body and shaking erratically in an attempt to break the Umbilical Spit.
Friend: "John, why are you looking at the ground like that?
John: "I'm waiting out this massive umbilical spit"
by boatsfalcon April 08, 2013
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