silly people :) there is no 8th base... unless you have a good imagination
Denis: "Dude, wat is the 8th base?"
Justin: "Dude...think about it..."
Denis: "I can't think of it."
Justin: "That's 'cause there is no 8th base dumbass!"
by Secret Scarlett June 07, 2010

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Top Definition
the act of having sexual intercourse with an entire farm and then the farmer
Oh man im so sore, i went to 8th base last night...and it went into the morning.
by Slick Bentley August 05, 2004

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having a three some with an alien
kevin and kassandra went to 8th base with E.T
by ue highschool December 22, 2009

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Touching knee caps
Brandon: You know why she wears shorts right?
Arthur: No why?
Brandon: It's easier to get to 8th base that way.
Arthur: Her knees do look pretty sexy today.
by CooRiderOfTheNight January 08, 2011

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Not quite 9th base which is strangling whilst doing anal. Naturally 8th base is any sexual act that involves cowboy spurs and a car battery.
Guy 1: Dude we got to 8th base last night.
Guy 2: That is so awesome!
Guy 1: No ... she wores the spurs ...
by pablothelama October 16, 2014

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The Urban Dictionary T-Shirt

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