8th base 

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.

8th base by Slick Bentley August 5, 2004

8th Base 

having a three some with an alien

kevin and kassandra went to 8th base with E.T

8th Base by ue highschool December 22, 2009

8th Base 

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 ...

8th Base by pablothelama October 16, 2014

8th base 

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.

8th base by CooRiderOfTheNight January 9, 2011

8th base 

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!"

8th base by Secret Scarlett June 20, 2010