This is the base when you fuck a girl in a banana suit on the moon with an audience of Chinese four-year olds sitting on diamond-encrested llamas wearing toupees made from shaved cow fur sewn together with cum and glue. Also, there is a raja judging whether or not it is good while him and Adam Sandler kiss eachother. This is the base that Chuck Norris won't be able to get to.
by funnyman21224 October 02, 2011
by EAXSWC September 24, 2006
Most people will tell you that fifth base is butt sex. If you've lost your anal virginity, the below example is one nights equivalence to butt sex.
Wilson: "How are things going with Cuddy?
House: "Great, last night I got to fifth base. That's 2 home-runs and then she gives me back a triple."
House: "Great, last night I got to fifth base. That's 2 home-runs and then she gives me back a triple."
by Cason Bank March 20, 2019
In the corresponding bases, 3rd base involves oral sex, either a girl giving a boy fellatio or cunnilingus.
by Miketee May 16, 2009
For most teens (under 17) third base is usualy what comes just before sex. While for over 17s third base is usualy oral sex, younger teens often have oral sex in fourth base, after sex.
by black_emo July 30, 2006
To instantaneously extract yourself from a sub-optimal situation, often at great risk to your personal safety, professional reputation, or social standing
Original Use:
I just got called in to my partner's office to explain why the memo was late. All I wanted to do was to kick out a window and base jump the fuck outta there.
Modern Use:
Guy 1: I got caught in a conversation with Rufus again - that dude is so freakin' awkward.
Guy 2: I would have base jumped out of there by kicking him in the balls and running away.
I just got called in to my partner's office to explain why the memo was late. All I wanted to do was to kick out a window and base jump the fuck outta there.
Modern Use:
Guy 1: I got caught in a conversation with Rufus again - that dude is so freakin' awkward.
Guy 2: I would have base jumped out of there by kicking him in the balls and running away.
by 4dm1n December 11, 2008
Having sex with a police woman.
Guy: So, uh, you still want to arrest me?
Police woman: I could never lock up a man who had got to 104th base.
Police woman: I could never lock up a man who had got to 104th base.
by Dancup November 08, 2009