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The act of shunning the fetus within one's uterus and then banishing it from the womb.

Sometimes the baby's daddy can aborshun the fetus without banishing it by saying he ain't that the baby's daddy.
I'm gonna get an aborshun.

I ain't that baby's daddy.
by Pasi June 28, 2007
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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