Top Definition
A meniachal little creature that crawls out of the womb at night while the unsuspecting mother lays in a deep slumber,Then strikes out on its own to inflict severe punishment on those who study stem cell research,After which it swings on the umbilical cord like spiderman all the way back to the sleeping mothers womb,All before daybreak.
Man last night Todd and I were screwing around with stem cells (for no apparent reason) and out of nowhere came the fetus of doom,Then it suddenly took Todds head clean the fuck off and scurried down his neck and out of his anus,all the while chanting a disturbing little tune that sounded alot like this...(Da Da Da Da fetus of doom Da Da Da Da fetus of doom)
by squirtdonkeys January 14, 2007

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