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When one person is giving another person a reach around and simultaneously fingers their asshole.
Did you see Mike gave that tranny a Lufkin last night?
by lovesblumpkins March 15, 2015
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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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Lufkin is the name of any disease. It generally refers to sexually transmitted diseases and is named after the dirty city of Lufkin, TX.
Sorry boss, I won't be able to make it into the office, got a case of Lufkin from a prostitute in Tijuana. Doctors say the inflammation will go down in 7 to 10 days.
by KyleC3143214 July 20, 2009
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