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Aggresively clawing a mans back similar to a leopard badgering its prey, until the point of orgasm...no other sexual contact is required but drawing blood is.
"Hey man how was your night last night with amy?"
"She was on her period but she did the munchkin and that was all I needed"
by theogmunchking February 10, 2019
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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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