Top definition
A person, or creature, that feasts on pregnant women only for their unborn fetuses. They tend to be born out of women just like regular babies, but mental illness drives them to have a lust for unborn fetuses.
"Don't go outside honey, it's dark. Your pregnant so you MUST watch out for those Mecronauts!"

"Yes honey"
by Santarvio December 27, 2011
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