1 definition by RealPaulLink

A metaphorical term used to describe a person so foul and Dumb or Mentally Challenged that they surely must have been born a Butt baby through the rear.
Dude Noah is so dumb he has to be a butt baby for sure!

Haha yeah his dad probably left because he was so ashamed that his beautiful boy was a butt baby product
by RealPaulLink July 10, 2022
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